Anchor: A man wearing a white shirt and red shorts is hitting a volleyball.
Entailed: There is a man with a ball.
Contradiction: The sweaty man plays basketball with his friends.
Contradiction: Harvard's communications director did not say a word about the school's breach of trust.
Contradiction: There is an advantage to providing tailored meaning to patients who are most open to change messages. 
Contradiction: NSAs can't be done with the current laws.
Contradiction: A man is leaning against the wall with a tennis racket.