Anchor: A tennis player gets ready to return the ball.
Entailed: There is a tennis player with a tennis racquet on a court.
Contradiction: There are people playing basketball.
Contradiction: An old woman fell into a ball pit.
Contradiction: The man in the jacket and helmet sat on the motorcycle.
Contradiction: He had left his case safely at home that day.
Contradiction: Any division besides 50-75-125 would be unreliable.