Anchor: Two boxers compete while spectators watch tensely from the background.
Entailed: Two boxers are boxing.
Contradiction: Two kittens fall asleep.
Contradiction: People are on an airplane.
Contradiction: The person here is probably getting at least a little wet.
Contradiction: The sun is shining brightly on the man's face.
Contradiction: If you are in search of second-hand trinkets, explore the shops near the Piazza Navona.