William H. Ukers (author)
The C.F. Blanke Tea & Coffee Co., St. Louis, brings out Magic Cup, later known as Faust Soluble, coffee
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The passage explicitly states that 'The C.F. Blanke Tea & Coffee Co., St. Louis, brings out Magic Cup, later known as Faust Soluble, coffee' in 1912, which fully supports all elements of the knowledge graph claim.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The quote appears verbatim and accurately supports the claim. Viewpoint is correctly attributed to the author (historical record). Stance is appropriately 'asserts' as the passage states a factual occurrence. Sentiment is neutral, matching the passage's tone. Time is correctly set to 1912 with valid_from matching the passage date and valid_to as null (no end date specified). Context 'St. Louis' accurately reflects the location mentioned in the passage. The claim correctly identifies Magic Cup as a soluble coffee product, with the additional note that it was later known as Faust Soluble, which is also supported by the quoted text.