William H. Ukers (author)
slavery, which was abolished in 1888
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'slavery, which was abolished in 1888' is explicitly mentioned when discussing Brazil's historical labor systems. The subject, predicate, object, and time specification all match the passage exactly.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage makes this assertion directly without attribution to a named source). The stance is correctly marked as 'asserts' - the passage states this as fact, not disputed. The sentiment is neutral, matching the passage's factual tone. The time qualifier correctly specifies 1888 with appropriate valid_from and null valid_to, matching the passage's explicit statement. The context is appropriately empty as the passage provides no restrictive context. The quote appears verbatim in the passage and directly supports the claim.