Anchor: My purpose is to see if these authors stay reasonably true to the law and don't get too fanciful, he said. 
Entailed: He stated his purpose.
Contradiction: There was no purpose.
Contradiction: The dogs eat a hat
Contradiction: A police officer near a crowd of people dressed as sailors.
Contradiction: A man reads a book.
Contradiction: A brunette woman having a conversation with a man at the gym.