Anchor: A boy in a blue shirt is jumping backwards over a horizontal pool.
Entailed: There is a pool and boy jumping.
Contradiction: The boy is wearing a green shirt.
Contradiction: The auditor will always refuse to perform an engagement.
Contradiction: A man is riding a bike
Contradiction: I did not ask if anyone remembered a young lady traveling from London.  
Contradiction: If you had gone for drinks previously, you were supposed to write that down on the paper.