Anchor: A young man props his upper body up on a surfboard as a wave crests behind him.
Entailed: A man is on a surfboard.
Contradiction: The dog is surfing.
Contradiction: Don't move, it said.
Contradiction: What are the reasons that you don't think I'm trustworthy? 
Contradiction: Studying what caused the Three Mile island disaster would be a case study.
Contradiction: They thought out loud,