Anchor: A man in a neon green weight vest and green and whiteboard shorts snorkels in a tropical reef.
Entailed: There is a man swimming in the ocean.
Contradiction: A man eats tacos
Contradiction: A man looks for his lost keys.
Contradiction: The man is snowboarding down a mountain.
Contradiction: There is a man learning to snorkel in a pool.
Contradiction: A man is standing on the observation deck of a tall building overlooking the city below.