Anchor: Two dogs are playing rough in a green field of grass.
Entailed: Two animals are playing in the green grass.
Contradiction: Some dogs are sleeping in a car.
Contradiction: Three dogs chase a rabbit in a park
Contradiction: The animals are lounging on the sofa.
Contradiction: Two dogs are playing in the middle of Yankees Stadium during the top of the 3rd inning.
Contradiction: Three dogs are playing.