Anchor: But the author's exculpatory coup de grace is Tyson's claim that a psychiatric illness caused him to do things to Robin Givens (his former wife) that he would normally never do.
Entailed: Tyson claimed that the things he did were things he would normally never do.
Contradiction: Tyson claimed that his actions were caused by alcohol.
Contradiction: The two men are in a swimming pool.
Contradiction: The complexity of laws has an effect on the risk.
Contradiction: We have not had rain in nearly 10 months. 
Contradiction: A person is followed by a dog.