William H. Ukers (author)
111,495,216 pounds of coffee were sent out of the country
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage, which explicitly states that in 1873, 'The peak of the export trade was reached in 1873, when 111,495,216 pounds of coffee were sent out of the country.' This directly confirms that Ceylon exported coffee in 1873.
- qualifier_fidelity 0.90 pass — The claim is largely faithful to the passage. The viewpoint, stance, and sentiment are all appropriate - the author asserts this neutrally. The time qualifier correctly captures 1873 as the specific peak export year mentioned. The quote is verbatim and supports the claim. The only minor issue: the context field is empty, but since the passage does not restrict the claim to a particular sense or role of coffee (it discusses coffee as a product/commodity throughout), this is acceptable. All major qualifiers are faithful.
The island of Ceylon was formerly one of the important producers of coffee
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the opening sentence of the passage: 'The island of Ceylon was formerly one of the important producers of coffee.' The language matches exactly, including the key qualifier 'formerly' and the description of Ceylon as an important producer of coffee.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The quote appears verbatim and accurately supports the claim. The viewpoint is correctly attributed to the author (the passage itself makes this assertion rather than attributing it to a named source). The stance 'asserts' is appropriate as the passage states this as fact. The sentiment is neutral, matching the passage's objective tone. The temporal qualifier 'formerly' is faithful to the passage's framing of Ceylon's historical role before the disease in 1869. The context is appropriately empty as the passage does not restrict this to a particular sense or usage of coffee beyond the commodity itself.
is now ranked as an importer rather than as an exporter
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'In late years, the island has not produced enough for its own use, and is now ranked as an importer rather than as an exporter.' The subject, predicate, object, timeframe, and context all match the source text exactly.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. Viewpoint correctly identifies 'author' as the source (the passage asserts this without attribution to a named source). Stance 'asserts' is appropriate for a direct statement. Sentiment 'neutral' matches the factual tone. Time 'in late years' matches the passage's temporal framing exactly. Context 'of coffee' is appropriate and explicit in the passage. Quote appears verbatim and directly supports the claim.
- Ceylon exported coffee shipments of 10,000 to 90,000 pounds a year all through the eighteenth century
shipments of 10,000 to 90,000 pounds a year were made all through the eighteenth century
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'shipments of 10,000 to 90,000 pounds a year were made all through the eighteenth century' confirms both the quantity range and the time period specified in the claim.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself states this without naming a source). The stance is 'asserts' which matches the declarative framing. Sentiment is neutral, appropriate for a factual statement. Time qualifiers ('when': 'all through the eighteenth century', 'valid_from': '1700', 'valid_to': '1799') accurately reflect the temporal scope in the passage. Context is appropriately empty as the passage does not restrict this to a specific sense or role. The quote appears verbatim in the passage and directly supports the claim about export shipments during the eighteenth century.
exports in one year, 1741, going as high as 370,000 pounds
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'exports in one year, 1741, going as high as 370,000 pounds.' All elements (subject, predicate, object, and time) are explicitly supported by the text without requiring outside knowledge or over-generalization.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (not a named source). The stance 'asserts' matches the declarative framing. The sentiment is neutral and appropriate. The time qualifiers are precise and match the passage's specification of '1741'. The context is appropriately empty as the passage does not restrict this to a particular sense. The quote appears verbatim in the passage and directly supports the claim.
Exports had risen to 12,400,000 pounds in 1836
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'Exports had risen to 12,400,000 pounds in 1836.' All elements (subject Ceylon, predicate of coffee exports, object 12,400,000 pounds, and time 1836) are explicitly supported by the text without any rewording or interpretation needed.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage presents this as historical fact without attribution to a named source). The stance is appropriately 'asserts' as the passage states this factually. The sentiment is neutral, matching the passage's objective reporting. The time qualifiers (when: 1836, valid_from: 1836, valid_to: 1836) are precise and accurate to the passage's statement. The context is appropriately empty as the passage does not restrict this to a particular sense or role of coffee. The quote 'Exports had risen to 12,400,000 pounds in 1836' appears verbatim in the passage and directly supports the claim.
to a high point of 118,160,000 pounds in 1870
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'Exports had risen to 12,400,000 pounds in 1836; and they continued to increase to a high point of 118,160,000 pounds in 1870.' This explicitly confirms that Ceylon's coffee exports peaked at 118,160,000 pounds in 1870.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to 'author' (the passage states facts without naming a specific source). The stance 'asserts' matches the passage's declarative presentation. The sentiment 'neutral' is appropriate for a factual statement about export volumes. The time qualifier '1870' with valid_from and valid_to both set to 1870 accurately reflects the passage's statement 'to a high point of 118,160,000 pounds in 1870'. The context is appropriately empty as no specific sense or role restriction applies. The quote 'to a high point of 118,160,000 pounds in 1870' appears verbatim in the passage and directly supports the claim.
The total acreage in coffee at one time reached as high as 340,000
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'The total acreage in coffee at one time reached as high as 340,000.' The subject, predicate, and object are all explicitly present without requiring outside knowledge or over-generalization.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself states this fact without attribution to a named source). The stance is 'asserts' which matches the passage's straightforward statement. The sentiment is neutral, appropriate for a factual historical claim. The time qualifier 'at one time' correctly reflects the passage's temporal vagueness ('at one time reached as high as'). The context 'at one time' accurately preserves the passage's qualifier. The quote is verbatim from the passage and directly supports the claim.
in 1917 there were only 810 acres left in coffee
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'in 1917 there were only 810 acres left in coffee.' The subject, predicate, object, and temporal specification all match the exact wording in the text.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author/passage itself rather than a named source. The stance of 'asserts' matches the declarative nature of the claim in the passage. The sentiment is neutral, appropriately reflecting the factual statement. The time qualifiers (when, valid_from, valid_to all set to 1917) match the temporal reference in the passage. The context is appropriately empty since the passage makes no restriction beyond the general historical context. The quote is verbatim from the passage and directly supports the claim.
Ceylon 1920 1,853,537
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The table explicitly shows Ceylon with a population of 1,853,537 in 1920, matching the subject, predicate, object, and temporal information provided in the claim.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself presents this data without attribution to a named source). The stance is appropriately 'asserts' as the passage states the figure factually. The sentiment is neutral, matching the objective nature of population statistics. The time qualifier correctly reflects 1920 as shown in the passage. The context is appropriately empty as no specific sense or role restriction is given. The quote appears verbatim in the passage and accurately supports the claim.
In Ceylon and India, the same applies to the native population
judge verdicts (2)
- groundedness 0.70 pass — The passage states 'In Ceylon and India, the same applies to the native population' where 'the same' refers to following Turkish-Arabian methods of making coffee mentioned in the previous sentence. The claim is directly supported by the passage, though it requires minor interpretation of the pronoun reference to establish full clarity.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself makes the assertion). The stance is accurately marked as 'asserts' since the passage states this as fact without dispute. The sentiment is neutral, matching the passage's matter-of-fact tone. The time qualifiers are all null, which is appropriate since the passage provides no temporal information. The context correctly specifies 'native population,' which directly matches the passage's limiting clause 'the same applies to the native population.' The quote is verbatim and accurately supports the claim about Ceylon following Turkish-Arabian coffee making methods.
Largest (1873)
judge verdicts (4)
- groundedness 0.70 pass — The passage directly states 'Ceylon (1741-1900), 283' with a sub-entry 'Largest (1873), 237', confirming that Ceylon had its largest coffee exports in 1873. The only minor issue is that the destination is not explicitly specified in the passage, but the core claim about the year and superlative status is fully supported.
- qualifier_fidelity 0.60 fail — The qualifier 'context' is unfaithful. The passage clearly restricts the claim to a specific sense: Ceylon's largest coffee exports occurred in 1873, not largest exports in general. The context should reflect 'coffee' to match the passage's scope, which lists this under exports of coffee by country/region. Additionally, the claim's object 'unknown destination' lacks specificity, though the passage itself doesn't specify a destination. The quote 'Largest (1873), 237' supports the year and magnitude claim but appears under 'Ceylon (1741-1900)' in a coffee exports index, making the coffee context essential to fidelity.
- groundedness 0.70 pass — The passage directly states 'Ceylon (1741-1900), 283' with 'Largest (1873), 237' listed beneath it, confirming that Ceylon had the largest coffee exports in 1873. The claim is supported with only minor rewording of the original text.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is appropriately 'author' as the passage presents this as factual information without attribution to a named source. The stance 'asserts' matches the passage's presentation. Sentiment is neutral, consistent with the factual listing. The time qualifier correctly specifies 1873, matching the passage entry 'Largest (1873)' under Ceylon. The context 'coffee exports' is appropriate given the passage is an index about coffee exports. The quote 'Largest (1873)' appears verbatim and directly supports the claim.
In 1658 the Dutch started the cultivation of coffee in Ceylon
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage with the exact same wording: 'In 1658 the Dutch started the cultivation of coffee in Ceylon.' No rewording, inference, or outside knowledge is required.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (passage presents this as factual narrative without attribution to a named source). The stance is appropriately 'asserts' as the passage makes a direct statement. Sentiment is neutral, matching the factual tone. The time qualifier correctly specifies 1658 with valid_from and null valid_to, consistent with the passage's temporal scope. Context is empty, which is appropriate as the passage provides no specific contextual restriction beyond the general historical setting. The quote appears verbatim in the passage and directly supports the claim.
the plant had been introduced into the island by the Arabs prior to the Portuguese invasion in 1505
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'the plant had been introduced into the island by the Arabs prior to the Portuguese invasion in 1505.' The subject, predicate, object, temporal reference, and context all match the source text precisely without any rewording or outside knowledge required.
- qualifier_fidelity 0.90 pass — All qualifiers are faithful to the passage. The viewpoint is correctly set to 'author' (the passage itself states this fact without attribution to a named source). Stance is correctly 'asserts'. Sentiment is neutral. The time qualifier accurately captures 'prior to the Portuguese invasion in 1505' with valid_to set to 1505. The context 'by the Arabs' is faithful. The quote is verbatim and supports the claim. Minor deduction (0.1) only because the context field uses 'by the Arabs' as a label when it more precisely describes agency rather than restricting to a particular sense of 'coffee', though this is a very minor distinction and doesn't affect the overall accuracy.
the fungoid _Hemileia vastatrix_, which as told in chapter XV, destroyed Ceylon's once prosperous coffee industry
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The text explicitly states that the fungus Hemileia vastatrix 'destroyed Ceylon's once prosperous coffee industry,' matching the claim precisely with no rewording necessary.
- qualifier_fidelity 0.85 pass — The claim is largely faithful to the passage. The quote is verbatim and supports the claim. Viewpoint, stance, and sentiment are accurate. However, the time qualifier has an issue: 'when' should be null rather than "once prosperous". The phrase "once prosperous" describes Ceylon's coffee industry (an adjective modifying the object), not a temporal indicator for when the destruction occurred. The passage provides no specific date or timeframe for the destruction, so valid_from and valid_to should both remain null, and 'when' should also be null to reflect this absence of temporal specificity.
where it first appeared in 1869
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage, which explicitly states 'It was this disease which ruined the coffee industry in Ceylon, where it first appeared in 1869.' All elements of the subject-predicate-object relationship and the time specification are accurately reflected in the source text.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (implied through the encyclopedic text). The stance is 'asserts' which matches the factual presentation. The sentiment is neutral, appropriate for this factual claim. The time qualifier correctly shows 1869 as when the disease first appeared in Ceylon. The context is appropriately empty as the passage does not restrict this claim to a particular sense or role. The quote 'where it first appeared in 1869' appears verbatim in the passage and directly supports the claim.
Coffee planting in Ceylon was an important industry for a century, until the so-called Ceylon leaf disease attacked the plantations in 1869
judge verdicts (4)
- groundedness 1.00 pass — The claim is directly stated in the passage's opening sentence: 'Coffee planting in Ceylon was an important industry for a century, until the so-called Ceylon leaf disease attacked the plantations in 1869.' The subject, predicate, object, timeframe, and context all match the passage exactly without requiring outside knowledge or generalization.
- qualifier_fidelity 0.60 fail — The 'time' qualifier is unfaithful. The passage states coffee planting 'was an important industry for a century, until the so-called Ceylon leaf disease attacked the plantations in 1869.' This means the century-long period ENDED in 1869, not that it was valid_to 1869 (which suggests 1869 as the endpoint). The valid_to should be null or the 'when' should be reformulated to clarify the period ended at 1869. Additionally, the 'context' field should be empty or null since the passage provides no restriction to a specific sense or role of coffee planting—it refers to the industry generally. The quote is accurate and viewpoint/stance/sentiment are correct.
- groundedness 1.00 pass — The claim is directly stated in the opening sentence of the passage: 'Coffee planting in Ceylon was an important industry for a century, until the so-called Ceylon leaf disease attacked the plantations in 1869.' The exact quote provided matches the passage verbatim, confirming full groundedness.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is appropriately attributed to the author (the passage itself makes the assertion without citing a named source). The stance is correctly marked as 'asserts' - the passage states this as fact, not disputed. The sentiment is neutral, which matches the factual tone. The time qualifier accurately reflects the passage's temporal scope ('for a century, until...1869' with valid_to set to 1869). The context is appropriately empty as the passage does not restrict coffee planting to a particular sense or role. The quote is verbatim and directly supports the claim.
- coffee acreage showed steady decline in Ceylon especially since the beginning of the twentieth century ⟨since beginning of twentieth century⟩
there has been, especially since the beginning of the twentieth century, a steady decline in acreage
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The passage explicitly says 'there has been, especially since the beginning of the twentieth century, a steady decline in acreage' and provides specific acreage numbers (4,875 in 1903, 2,433 in 1907, 1,389 in 1912, 941.5 in 1919) that corroborate this steady decline.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself makes this assertion). The stance is appropriately 'asserts' as the passage states this as fact. The sentiment is neutral, matching the passage's matter-of-fact reporting. The time qualifier accurately reflects 'especially since the beginning of the twentieth century' with valid_from=1900 and valid_to=null (no end date specified). The context correctly identifies the restriction to the twentieth-century onwards. The quote is verbatim from the passage and directly supports the claim about steady decline in coffee acreage.
the Portuguese seized the island in 1505
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'the Portuguese seized the island in 1505.' The subject, predicate, object, and date all match the source text exactly with no rewording needed.
- qualifier_fidelity 0.90 pass — All qualifiers are faithful to the passage. The viewpoint is correctly 'author' (the passage presents this as historical fact without attribution to a named source), stance is 'asserts' (no dispute or questioning framing), sentiment is neutral, time is accurately set to 1505 with valid_from matching, valid_to is appropriately null, context is empty (appropriate since no specific sense restriction is given), and the quote appears verbatim in the passage. Minor deduction: the context field could arguably include 'the island' for completeness, but empty is acceptable given no restrictive context is specified in the passage.
The Dutch, who gained control in 1658
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'The Dutch, who gained control in 1658, continued the cultivation.' The subject, predicate, object, and date are all explicitly provided without requiring outside knowledge or over-generalization.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself makes this assertion). The stance is 'asserts' which matches the declarative nature of the passage. Sentiment is neutral, appropriate for a factual historical statement. The time qualifier correctly identifies 1658 as when the Dutch gained control, with valid_from set to 1658 and valid_to as null (the passage does not specify when control ended). Context is empty, which is appropriate as the passage does not restrict this to a particular sense or role. The quote 'The Dutch, who gained control in 1658' appears verbatim in the passage and directly supports the claim.
after the British occupied the island in 1796
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'it was not until after the British occupied the island in 1796, that coffee growing was carried on extensively.' The subject, predicate, object, and date are all explicitly supported by the text.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (passage presents this as factual narrative). Stance is 'asserts' as the passage states this directly without dispute. Sentiment is neutral, matching the passage's factual tone. Time is correctly set to 1796 with valid_from matching the year mentioned. Context is appropriately empty as no specific sense or role is restricted. The quote appears verbatim in the passage and accurately supports the claim.
coffee growing was carried on extensively
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'However, it was not until after the British occupied the island in 1796, that coffee growing was carried on extensively.' The subject, predicate, object, and temporal qualifier all match the passage exactly.
- qualifier_fidelity 0.85 pass — The claim is largely faithful to the passage. Viewpoint, stance, and sentiment are all appropriate - the author asserts this neutrally without attribution to a named source. The quote is verbatim and supports the claim. The time qualifier is accurate: the passage states 'it was not until after the British occupied the island in 1796, that coffee growing was carried on extensively,' and the claim correctly represents this as 'after 1796' with valid_from: 1796. The context is appropriately empty as the passage does not restrict coffee growing to a particular sense or role. Minor deduction (0.15) for valid_to being null: while the passage doesn't explicitly state an end date for extensive cultivation, it does indicate the trade peaked in 1873 and the coffee tree 'practically disappeared from Ceylon' by 1887, suggesting the extensive period was bounded. However, since the passage doesn't explicitly state when extensive cultivation ended, null is defensible.
The first British-owned upland plantation was started in 1825 by Sir Edward Barnes
judge verdicts (2)
- groundedness 1.00 pass — This claim is directly stated in the passage: 'The first British-owned upland plantation was started in 1825 by Sir Edward Barnes.' The subject, predicate, object, and time specification all match the source text exactly without any rewording or interpretation needed.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (passage makes the assertion directly). The stance is appropriately marked as 'asserts' since the passage states this as fact. The sentiment is neutral, matching the passage's matter-of-fact presentation. The time qualifier correctly specifies 1825 with valid_from matching and valid_to as null (passage provides no end date for this fact). The context is empty, which is appropriate as the passage does not restrict this to a particular sense or role. The quote is verbatim and directly supports the claim.
for more than fifty years thereafter coffee was one of the island's leading products
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'for more than fifty years thereafter coffee was one of the island's leading products.' The passage explicitly confirms that coffee was one of Ceylon's leading products for over fifty years following the start of the first British-owned upland plantation in 1825.
- qualifier_fidelity 0.90 pass — The claim is highly faithful to the passage. The quote is verbatim and accurate. All qualifiers are correct: viewpoint (author), stance (asserts), sentiment (positive), and time period (1825-1875, which matches 'more than fifty years' after 1825 when the first British plantation started). Context is appropriately empty as the passage does not restrict coffee to a particular sense or role. Minor note: valid_to of 1875 is slightly approximate given 'more than fifty years' could extend beyond this, but this is a reasonable normalization and does not constitute a material error.
culminated in 1845 in the bursting of the coffee bubble
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage, which explicitly states 'culminated in 1845 in the bursting of the coffee bubble' in reference to speculation in coffee growing in Ceylon. The subject, predicate, object, and time are all accurately reflected in the source text.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (passage presents this as historical fact without attribution to a named source). The stance 'asserts' is appropriate as the passage states this definitively. The sentiment 'negative' accurately reflects the negative connotation of 'bursting of the coffee bubble' and the mention of people being 'ruined'. The time '1845' matches exactly with the passage ('culminated in 1845'). The context is appropriately empty as the passage does not restrict coffee to a particular sense or role in this statement. The quote appears verbatim in the passage and supports the claim.
The peak of the export trade was reached in 1873
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly and explicitly stated in the passage: 'The peak of the export trade was reached in 1873, when 111,495,216 pounds of coffee were sent out of the country.' The passage clearly identifies 1873 as the year when Ceylon's coffee export trade reached its peak.
- qualifier_fidelity 0.85 pass — The claim is mostly faithful to the passage. The viewpoint, stance, sentiment, time qualifiers, and quote are all accurate. However, the context qualifier is empty when it should specify 'coffee' - the passage discusses Ceylon's coffee export trade specifically, not export trade in general. The claim subject already implies this, but the context field should be populated for precision and clarity.
which had appeared in 1869
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'the plantations were suffering severely from the leaf disease, which had appeared in 1869.' The subject (leaf disease), predicate (appeared in), object (Ceylon, implied by context), and time (1869) are all explicitly supported.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage does not name a specific source for this fact). The stance 'asserts' is appropriate as the passage presents this as factual information. The sentiment 'negative' is faithful given the context of disease causing harm to coffee plantations. The time qualifier with 'when': 1869 matches the passage exactly ('which had appeared in 1869'). The context is appropriately empty as the passage does not restrict this to a specific sense or role. The quote 'which had appeared in 1869' appears verbatim in the passage and directly supports the claim.
by 1887, the coffee tree had practically disappeared from Ceylon
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The exact phrase 'by 1887, the coffee tree had practically disappeared from Ceylon' appears verbatim in the final paragraph, with all details including the timeline and the word 'practically' matching the passage precisely.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself makes this assertion, not a named source). The stance is correctly marked as 'asserts' - the passage states this as fact without dispute or questioning. The sentiment is appropriately negative, reflecting the loss of the coffee industry. The time qualifiers are accurate: 'by 1887' matches the passage exactly, and the valid_from/valid_to range (1869-1887) correctly captures the disease appearance in 1869 and the near-disappearance by 1887. The context is appropriately empty as the passage refers to the coffee tree without special restriction to a particular sense or role. The quote appears verbatim in the passage and directly supports the claim.
depended mostly upon what they learned of the practises in Ceylon
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage, which explicitly states that planters of the Malay Peninsula 'depended mostly upon what they learned of the practises in Ceylon.' The wording in the claim accurately reflects this statement from the text.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to 'author' as the passage presents this as narrative exposition without attribution to a named source. The stance 'asserts' is appropriate as the passage states this as fact. The sentiment is neutral, matching the passage's straightforward tone. The time qualifiers are appropriately null since the passage does not specify when this occurred, only indicating 'in the early days.' The context is empty, which is correct as the passage provides no specific contextual restriction. The quote appears verbatim in the passage and directly supports the claim.
systematic cultivation was carried on in Ceylon by the Dutch as early as 1690
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage, which explicitly states: 'It is said that systematic cultivation was carried on in Ceylon by the Dutch as early as 1690.' The subject, predicate, object, and temporal information all match the passage exactly.
- qualifier_fidelity 0.90 pass — Minor issue: The viewpoint is stated as 'author' but the passage uses the impersonal construction 'It is said that...' which indicates an attributed claim from an unspecified source rather than direct authorial assertion. All other qualifiers are faithful: the quote matches verbatim, time/dates are accurate, stance and sentiment are appropriate, and context is correctly empty. The claim remains substantially accurate despite this attribution nuance.
The English took the island in 1795
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'The English took the island in 1795.' The subject, predicate, object, and date all match exactly with the text provided.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself states this as fact), the stance is appropriately 'asserts', the sentiment is neutral, the time is accurately specified as 1795, the context is appropriately empty (no specialized sense is required), and the quote 'The English took the island in 1795' appears verbatim in the passage and directly supports the claim.
thirty years later, they began to expand cultivation
judge verdicts (2)
- groundedness 0.70 pass — The claim is directly supported by the passage, which states 'The English took the island in 1795, and thirty years later, they began to expand cultivation.' The subject, predicate, and object are all accurately represented, though the time reference uses 'thirty years later' rather than the calculated year 1825, which is a minor rewording consistent with the source material.
- qualifier_fidelity 0.90 pass — The claim is highly faithful to the passage. The viewpoint (author), stance (asserts), and sentiment (neutral) are all correct. The quote is verbatim and accurately supports the claim. The time qualifier is accurate: "thirty years later" from 1795 (when the English took the island) correctly maps to approximately 1825, with valid_from=1825 appropriate and valid_to=null correct since the passage doesn't specify an end date. Context is appropriately empty as the passage doesn't restrict the claim to a particular sense or role. Minor note: the relative temporal phrase "thirty years later" is slightly informal compared to the normalized date, but this is a standard and acceptable practice in knowledge representation.
The Arabs introduce the coffee plant into Ceylon.
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The exact sentence 'The Arabs introduce the coffee plant into Ceylon' appears verbatim in the entry dated 1505[L], making this a fully supported claim with no rewording necessary.
- qualifier_fidelity 0.90 pass — Viewpoint should be 'passage' not 'author' since this is a historical record stating facts, not attributed to a named source. All other qualifiers are faithful: stance is correctly 'asserts', sentiment is neutral, time matches '1505' with [L] notation, context is appropriately empty, and quote is verbatim from the passage.
The coffee-leaf disease is first noticed in Ceylon
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: '1869--The coffee-leaf disease is first noticed in Ceylon.' All elements (subject, predicate, object, and time) match exactly what is written.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly set to 'author' as the passage presents this as a historical fact without attribution to a named source. The stance 'asserts' and sentiment 'neutral' match the passage's straightforward presentation. The time qualifier 'when': '1869' correctly matches the passage date. The context is appropriately empty as the passage provides no restrictive context. The quote appears verbatim in the passage and directly supports the claim.
Culture of coffee in Ceylon
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. Multiple bibliographic entries under the "CEYLON" section explicitly reference coffee culture and cultivation in Ceylon, including ABBAY's "Culture of coffee in Ceylon" and other works on coffee planting in Ceylon from the 19th century.
- qualifier_fidelity 0.90 pass — The claim is largely faithful to the passage. The quote 'Culture of coffee in Ceylon' appears verbatim in ABBAY, R.'s work. Viewpoint, stance, and sentiment are all appropriate for a bibliographic passage that simply lists sources. Time qualifiers are correctly null since the passage provides no specific temporal scope for the cultivation claim itself. However, there is a minor issue: the 'context' field is empty, but ideally it should reflect that this refers to coffee "the plant/crop" rather than other senses, though this is a marginal point given the bibliographic nature of the source material.
Coffee-leaf disease of Ceylon
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The last bibliographic entry explicitly references 'MORRIS, D. Coffee-leaf disease of Ceylon. Nature, XX: 557,' which directly supports the subject-predicate-object relationship that coffee-leaf disease occurs in Ceylon.
- qualifier_fidelity 0.80 pass — The claim is mostly faithful to the passage. The quote 'Coffee-leaf disease of Ceylon' appears verbatim in the MORRIS entry. However, there is a minor issue with the viewpoint qualifier: the passage explicitly attributes this statement to MORRIS, D., so the viewpoint should be 'Morris' (or 'D. Morris') rather than 'author'. The stance, sentiment, time, and context qualifiers are all appropriate and faithful to the passage.
Ceylon (1845), 237
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage under the 'Booms' section, which explicitly lists 'Ceylon (1845), 237', confirming that a Ceylon boom occurred in 1845.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (implied by the index/reference format). The stance is appropriately neutral assertion. The time qualifier correctly captures the 1845 date shown in the passage under 'Booms'. The context is appropriately empty as the passage provides no contextual restriction. The quote 'Ceylon (1845), 237' appears verbatim in the passage and supports the claim about a Ceylon boom in 1845.
Begun by Arabs (before 1505), 6, 43
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage. Under 'Ceylon,' the text explicitly states 'Begun by Arabs (before 1505), 6, 43', which matches the subject (coffee cultivation), location (Ceylon), time period (before 1505), and context (by Arabs) in the claim.
- qualifier_fidelity 0.90 pass — The claim is largely faithful to the passage. The quote is verbatim, the time qualifier correctly reflects "before 1505", the context accurately specifies "by Arabs", and the sentiment is appropriately neutral. However, the viewpoint should not be "author" since the passage does not attribute this to a named source - it simply states a historical fact in an index entry. The viewpoint qualifier is superfluous or should be null/omitted rather than specified as "author". Minor deduction for this viewpoint specification issue, but the core qualifiers (time, context, quote) are all faithful.
Begun by Dutch (1658), 6, 43
judge verdicts (2)
- groundedness 0.70 pass — The passage directly states 'Begun by Dutch (1658), 6, 43' under Ceylon, confirming coffee cultivation was begun in Ceylon by the Dutch in 1658. The claim accurately represents this information with only minor rewording from the source.
- qualifier_fidelity 0.90 pass — Qualifier fidelity is strong overall. The quote is verbatim and supports the claim. Viewpoint, stance, and sentiment are all appropriate for a neutral encyclopedic source document. Time qualifiers correctly reflect the 1658 date with valid_from matching the passage. Context accurately captures 'by Dutch'. Minor note: the passage presents this as a historical index/reference list without an explicit author attribution, so 'author' as viewpoint is acceptable for such reference material. All qualifiers are faithful to the passage.
Systematic (1690), 282
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage. Under the Ceylon entry, it explicitly states 'Systematic (1690), 282', confirming that coffee cultivation became systematic in Ceylon in 1690.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (index listing); stance is properly 'asserts' (factual statement); sentiment is neutral; time is accurately extracted from the passage showing 1690 as when systematic cultivation began in Ceylon; context is appropriately empty since no specific sense or role distinction is made in the passage; quote 'Systematic (1690), 282' appears verbatim and directly supports the claim.
Leaf blight Ceylon 203, 236, 237, 282, 283
judge verdicts (2)
- groundedness 1.00 pass — The passage directly states 'Leaf blight' with 'Ceylon' listed as a location, clearly indicating that leaf blight occurred in Ceylon. This is a straightforward factual claim fully supported by the index entry.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage presents this as factual information in an index/reference work without attribution to a named source). The stance is appropriately 'asserts' as the passage simply lists the occurrence. The sentiment is neutral, matching the documentary tone. The time qualifiers are correctly null since the passage provides no temporal information for Ceylon's leaf blight occurrence. The context is appropriately empty as the passage does not restrict this to a particular sense or role. The quote accurately reflects the passage content and supports the claim about leaf blight in Ceylon.