Anchor: Where it had come from or why it was hidden he did not know, but these books were in it.
Entailed: He didn't know where the books came from.
Contradiction: He knew where the books came from.
Contradiction: A hatless mam sitting on a curb.
Contradiction: They are looking at different things.
Contradiction: The person is standing on the moon.
Contradiction: A dog is running.