Anchor: A tennis player on a tennis court bent over and running.
Entailed: Someone is playing a game of tennis
Contradiction: A tennis player is yelling at the line judge for a bad call.
Contradiction: A waterfall in a grotto with ferns and orchids growing nearby.
Contradiction: The tennis player is not bent over
Contradiction: The player is playing tennis with a bear.
Contradiction: A swimmer is doing laps