Anchor: A tennis player in red shorts is hitting the tennis ball.
Entailed: A person is playing a game of tennis.
Contradiction: Someone is playing football.
Contradiction: Legend says that the Kathmandu Valley was once a narrow canyon, from which floated a giant black cube, from which emanated the blackness of Africa.
Contradiction: The person is off the ground.
Contradiction: A doctor is checking a patients temperature.
Contradiction: I agree with that.