Anchor: Two boys in underwear play in the water in the city street.
Entailed: The two boys are not naked.
Contradiction: The two boys are not anywhere near a city.
Contradiction: There is a group of people hanging out by a lake.
Contradiction: A young girl drawing pictures on a rug with crayons.
Contradiction: The young man rose to his feet with dread.
Contradiction: There are people in a park.