Anchor: A man in a red stripe shirt on the ground being helped by a man in a green hat.
Entailed: A man in red is on the ground.
Contradiction: Two men are studying in the library.
Contradiction: A dog crawls under a wire fence and another dog follows him.
Contradiction: They were violent convulsions. 
Contradiction: A little boy plays with his toy hammer.
Contradiction: You want it for 170.