Anchor: A black dog is running along the beach beside a brown dog in midair catching a stick in its mouth.
Entailed: A black dog is running along the beach.
Contradiction: A white dog is walking on a beach.
Contradiction: A person was sitting in a Starbucks cafe
Contradiction: Santayana requested that I add that those who forget the past are doomed to repeat it.
Contradiction: There is a five mile distance between the hill and the Jardim Orqudea.
Contradiction: What is he doing here?