Anchor: Two businessmen and a woman at a convention speaking.
Entailed: A conversation is taking place.
Contradiction: There are no women at the convention.
Contradiction: The small dog is riding in the basket of his owner's bike.
Contradiction: The rules are going to change.
Contradiction: Worshipping the Buddha was forbidden by the Mahayana. 
Contradiction: A couple are walking down the street outside.