Anchor: A man falling off of his surfboard.
Entailed: A man falls off his surfboard.
Contradiction: A man rides a wave.
Contradiction: I have never been a college student.
Contradiction: A little boy walks near a pond.
Contradiction: The young boy has a clean face.
Contradiction: Hemingway wrote a lot of For Whom the Bell Tolls at the Hotel Ambos Mundos.