Anchor: A black man is crying at the podium at the national baseball hall of fame.
Entailed: There is a man in the hall of fame.
Contradiction: The man is riding a roller coaster.
Contradiction: Its sculpture and architecture can be seen in Nairobi, Zimbabwe and Ethiopia. 
Contradiction: Bush has exceeded my expectations.
Contradiction: A man is sweeping away plutonium.
Contradiction: A dog is in the yard.