Anchor: A brown dog swims through water outdoors with a tennis ball in its mouth.
Entailed: A dog is swimming.
Contradiction: A dog is sitting on the lawn.
Contradiction: A black dog is running around with a soccer ball in its mouth.
Contradiction: A brown dog is running with his master on a leash through the woods.
Contradiction: A dog is barking at a cat
Contradiction: The black dog sits quietly inside.