Anchor: A big brown dog sniffs a smaller dog in the gravel beside a body of water.
Entailed: A big brown dog sniffs at a tiny dog next to a body of water
Contradiction: A big brown dog swims with a smaller dog in a body of water
Contradiction: A man and a woman are having a romantic dinner.
Contradiction: The puppy bits the boys shirt.
Contradiction: A man plays the piano
Contradiction: not if they are from another planet.