Anchor: A man uses his cellphone on the street.
Entailed: A man is on the street.
Contradiction: The man is using a payphone.
Contradiction: All the details about the maids were already present. 
Contradiction: When you put sulphur dioxide in the atmosphere it creates acid rain which then kills the trees. 
Contradiction: They will give it away at random.
Contradiction: The Oklahoma horse mascot is surrounded by red fans.