Anchor: A black dog waits on the grass for a falling yellow ball.
Entailed: There is one animal in this picture, and they are outside.
Contradiction: The dog chases the rabbit under the bush.
Contradiction: Mechlos was completely empty and abandoned.
Contradiction: Don't think less of your adversary.
Contradiction: Two cats are playing in the grass.
Contradiction: The Postal Service has authority to negotiate rates with individual customers.