Anchor: A dog takes a nap in the middle of a busy alley.
Entailed: People move around a sleeping dog.
Contradiction: The dog lies next to the building.
Contradiction: I spoke to him every chance I could get. 
Contradiction: Would he have had enough time to remove and destroy them?
Contradiction: The man is standing next to a dog, while the dog is eating food.
Contradiction: Two people are swimming in water next to a buoy.