Anchor: Players strike the ball with their bare hands against walls, doors, and windows which are protected by grilles.
Entailed: The game involves striking a ball with bare hands.
Contradiction: The windows are unprotected from the balls.
Contradiction: Just to be really kind you know.
Contradiction: A man on a surf board jumps out of the water
Contradiction: The students are running in P.E. class.
Contradiction: Two moped riders are driving on a road.