Anchor: Negros walk across a train track that stretches over dirt and garbage beside a row of poor shacks.
Entailed: Negroes pass over some train tracks.
Contradiction: The negros are running fast.
Contradiction: White people walk across a train track that stretches over dirt and garbage beside a row of poor shacks.
Contradiction: The people are riding a bus.
Contradiction: They climb Mt. Everest together
Contradiction: The people are rich.