Anchor: A person does a back flip into the water.
Entailed: Someone does a back flip into the water.
Contradiction: A cat does a back flip into the water.
Contradiction: The policeman is at the police station in the canteen having lunch
Contradiction: A woman in pants and a shirt passes a woman in a shirt and skirt.
Contradiction: Old men go to the baseball game.
Contradiction: I couldn't do much about it.