Anchor: A player falls on her knees during a roller derby.
Entailed: A person falls during an event.
Contradiction: A roller derby player sits on the bench.
Contradiction: A dog is playing in the desert
Contradiction: New people should stay down during the hottest times so they don't burn.
Contradiction: Four children are playing in rain puddles.
Contradiction: A woman talking on her cellphone as she walks.