William H. Ukers (author)
Between July 1886 and June 1887 prices advanced 1,485 points
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'Between July 1886 and June 1887 prices advanced 1,485 points.' All elements of the claim—subject (prices), predicate (advanced), object (1,485 points), and timeframe—are explicitly supported by the text.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The quote appears verbatim and accurately supports the claim. The time period (Between July 1886 and June 1887) matches exactly, with consistent normalized dates (1886-07 to 1887-06). The context 'coffee' is appropriate and matches the passage's discussion of coffee prices on the Coffee Exchange. The perspective uses 'author' correctly since the passage makes this statement as a direct historical assertion without attributing it to a named source. The stance 'asserts' and sentiment 'neutral' are both appropriate for the factual, objective manner in which the passage presents this information.
prices advance 1,485 points during 1886-87
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'prices advance 1,485 points during 1886-87' is a direct quotation from the text describing activity on the New York Coffee Exchange during that period.
- 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 rather than attributed to a named source). The stance is 'asserts' which matches the passage's straightforward presentation. The sentiment is neutral, appropriate for a factual market statistic. The time period '1886-87' is directly stated in the passage. The context 'New York Coffee Exchange' is explicitly mentioned in the passage in relation to this price movement. The quote 'prices advance 1,485 points during 1886-87' appears verbatim in the passage and directly supports the claim.