Anchor: Evidently when the right moment came to get rid of him he was too sharp for them.
Entailed: He was too smart to let them get rid of him.
Contradiction: There was no right moment to try and get rid of him. 
Contradiction: The baby is playing with tigers.
Contradiction: the man is playing against someone
Contradiction: They were not surprised when something snapped
Contradiction: His elementary school wife