William H. Ukers (author)
Caffeine, the alkaloid
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage. The bibliography entry for STEHLE, R.L. shows a 1917 publication in Tea and Coffee Trade Journal titled 'Caffeine, the alkaloid', confirming that this author described caffeine in that year with that specific framing.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint correctly identifies STEHLE, R.L. as the author (not using generic 'author'). The stance 'asserts' is appropriate as the passage presents this as a published work without disputation or questioning. Sentiment is neutral, matching the technical/descriptive nature of the title. The time qualifiers (1917, valid_from/to 1917) match the publication year stated in the passage. Context is appropriately empty as the passage provides none. The quote 'Caffeine, the alkaloid' appears verbatim in the title and supports the claim that STEHLE describes caffeine.