Anchor: study methods, and that they have addressed related issues in ways that seem impartial and are intended to reduce bias, the greater confidence the reader can have in the quality of the work.
Entailed: They have addressed related issues in ways that seem impartial.
Contradiction: They don't address related issues.
Contradiction: 3 workers are nailing the boards together
Contradiction: Don't tell us we're needed by them.
Contradiction: The cat is splashing in a small pool with a small football.
Contradiction: The markets usually begin in the afternoon on Saturdays.