Anchor: In the confusion on the quay I slipped away.
Entailed: I slipped away from the quay during the confusion.
Contradiction: I was stuck on the quay until the confusion was over.
Contradiction: That is absolutely unacceptable. 
Contradiction: I wouldn't defend a lot of the things he had said.
Contradiction: A dog chasing a stick.
Contradiction: People are on a field.