Anchor: A male tennis player standing on a tennis court swings his tennis racket at the tennis ball.
Entailed: A man swings at a ball.
Contradiction: A female golf player standing on a field swings her golf club at the ground.
Contradiction: The men are all sleeping in their bunks in the firehouse, ready to spring to action if the alarm goes off.
Contradiction: Two trains are boarding at a new train station.
Contradiction: Two men break out of prison.
Contradiction: The man and woman are talking.