Anchor: The yellow kayak is in the middle of the rapids.
Entailed: There is a brightly sun-colored contraption in the middle of the water.
Contradiction: The raft was floating down the river and got caught in the roots.
Contradiction: The custodian is cleaning the hall.
Contradiction: what matters is making a terrible situation better and widening the cracks in communism. 
Contradiction: A girl sitting on a bench shirtless looking at her cellphone.
Contradiction: How is it?