Anchor: You don't have to teach Rik Smits how to make post moves.
Entailed: Rik Smits does not need to to taught how to make post moves.
Contradiction: Rik Smits needs to be taught how to make post moves.
Contradiction: The controls need to be installed immediately.
Contradiction: The biker was out for a ride.
Contradiction: The workers have black bags beside them.
Contradiction: workers in hard hats dig a hole.