Anchor: As a result, rural carrier labor cost to the Postal Service in 1989 averaged $20.
Entailed: rural carrier labor cost to the Postal Service in 1989 averaged $20
Contradiction: rural carrier labor cost to the Postal Service in 1989 averaged $40
Contradiction: The teacher is writing on the chalkboard.
Contradiction: A person is examining a sculpture.
Contradiction: That's not how they do it.
Contradiction: What are you going to do in the summer?