Anchor: A referee on rollerskates and wearing knee pads and a helmet is sweeping the floor of a wooden basketball court in front of a crowd.
Entailed: A referee is sweeping the basketball court.
Contradiction: A man is eating a cake in front of a crowd.
Contradiction: A group of people in the middle of the desert.
Contradiction: The referee is mopping the football field.
Contradiction: The court is outdoors.
Contradiction: A crowd of people watch a referee during an ice hockey game.