William H. Ukers (author)
The Burns Improved Sample Coffee Roaster is patented in the United States by Jabez Burns
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: '1883--The Burns Improved Sample Coffee Roaster is patented in the United States by Jabez Burns.' The subject, predicate, object, and time all match exactly with the source text.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly identified as 'author' (the passage itself makes the assertion without attributing it to a named source). The stance 'asserts' accurately reflects how the passage presents this information. The sentiment is appropriately neutral. The time qualifier matches the passage exactly (1883). The context is correctly left empty as the passage provides no restricting context. The quote appears verbatim in the passage and directly supports the claim.
