Anchor: A dog is nipping at the ear of another dog on a leash, in a park.
Entailed: A dog is being bitten
Contradiction: The dogs are in a pet store.
Contradiction: The cat shook the water off of itself.
Contradiction: The drugs they took had negative side effects. 
Contradiction: A man is sweeping prostitutes off of the street.
Contradiction: An animal is walking outside.