Anchor: two men surfing, one with no shirt the other with a blue shirt, blue shirt riding a wave
Entailed: Two men surfing on some waves.
Contradiction: A man sitting on the beach.
Contradiction: GAO has no control over the happening and decision at the agency. 
Contradiction: The man is asleep.
Contradiction: The woman is in a bait shop.
Contradiction: A man is outside.