C. stenophylla with a species of liberica plant

William H. Ukers (author)

• Coffea affinis is a hybrid of C. stenophylla with a species of liberica
  assertsneutralsource: coffee-pg28500

  It is a hybrid of _C. stenophylla_ with a species of _liberica_

  judge verdicts (2)

  • groundedness 1.00 pass — The claim is directly stated in the passage. The text explicitly says 'M. Teyssonnier, of the experimental garden at Camayenne, French Guinea, West Africa, has produced a promising species of coffee known as affinis. It is a hybrid of C. stenophylla with a species of liberica.' This matches the subject, predicate, and object of the claim exactly.
  • qualifier_fidelity 0.85 pass — The claim is largely faithful to the passage. The quote appears verbatim and the predicate, object, stance, sentiment, and time qualifiers are all correct. However, there is a minor issue with the viewpoint qualifier: the passage attributes this statement to 'M. Teyssonnier, of the experimental garden at Camayenne, French Guinea, West Africa,' not to an unnamed author. The viewpoint should be 'M. Teyssonnier' rather than 'author' to be fully faithful to the source attribution in the passage.