Anchor: How'd I know they don't eat grass.
Entailed: How would I have known the don't eat grass?
Contradiction: I knew they ate grass.
Contradiction: The man was upset that he had no idea.
Contradiction: I bought another cactus and I have a lot of shrubs.
Contradiction: The Capitol Hill co-op got into serious trouble because of its bad inefficient members.
Contradiction: A man is tying his shoe