Anchor: The boy is going to dive in the river.
Entailed: A boy near a river.
Contradiction: The boy is going to dive in the swimming pool.
Contradiction: A man is going for a swim.
Contradiction: The people behind the Public Citizen do not like the last criterion.  
Contradiction: boy chases two dogs
Contradiction: The Farmer's Market is a few streets north on Fairfax.