Anchor: A black and white dog bits the jacket of a person.
Entailed: The dog is biting the jacket.
Contradiction: The dog is biting the person's hand.
Contradiction: These aliens can leave the United States but they are not allowed to legally re-enter the U.S.
Contradiction: Sex is something we had a little bit of. 
Contradiction: The woman is inside her home.
Contradiction: Two wrestlers are fighting.