author
The oldest tea specialty book in Japan, Kissa Yōjōki (喫茶養生記; How to Stay Healthy by Drinking Tea), was written by Eisai
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The text explicitly identifies Kissa Yōjōki as 'The oldest tea specialty book in Japan' and attributes its authorship to Eisai, matching the claim exactly.
- qualifier_fidelity 0.90 pass — The claim is nearly faithful to the passage. However, the 'viewpoint' qualifier is incorrect: the passage does not attribute this statement to the author - it presents this as a direct factual statement by the passage narrator itself. The viewpoint should be null or 'passage' rather than 'author'. All other qualifiers are correct: stance is accurately 'asserts', sentiment is neutral, time fields are appropriately null (no temporal constraint on the claim itself), context is empty (appropriate since the passage doesn't restrict it), and the quote appears verbatim and supports the claim.
The two-volume book was written in 1211 after his second and last visit to China
judge verdicts (2)
- groundedness 1.00 pass — The passage directly states that Eisai wrote Kissa Yōjōki and that the two-volume book was written in 1211, fully supporting the claim with the exact details provided.
- qualifier_fidelity 0.90 pass — The claim is almost entirely faithful to the passage. The subject, predicate, object, time qualifiers (when, valid_from, valid_to all set to 1211), stance, and sentiment are all accurate and well-supported by the quoted passage. The context is appropriately empty since the passage does not restrict this claim to a particular sense or role. However, the viewpoint is listed as 'author' when it should be null or 'passage' - the passage is asserting this fact directly, not attributing it to a named source. The passage states the book was written by Eisai in the third person, not as an attribution to a specific named viewpoint. This is a minor qualifier issue that does not substantially undermine the claim's fidelity.