Anchor: A dog that is wearing a red cap is standing by a guitar with its mouth wide open.
Entailed: A dog stands by a musical instrument.
Contradiction: A dog is attacking a cat.
Contradiction: The man held flowers at the arcade.
Contradiction: a boy is petting a tiger
Contradiction: Two dogs chase after a ball.
Contradiction: The smell might not be part of the pollution but either way, it smells down there.