Anchor: I suppose you are quite sure that the latch-key was forgotten, that he did not take it after all?
Entailed: Are you sure that the key was forgotten?
Contradiction: He had the key with him at all times.
Contradiction: The agencies didn't overcome any barriers, they let them be. 
Contradiction: Three kids follow a woman in the forest.
Contradiction: A man is not wearing a hat.
Contradiction: a lady is bowling