Anchor: A youth football game wherein three youths are fighting for a football.
Entailed: Three teenagers are plying football.
Contradiction: The three youths are attending a meeting  in the class room.
Contradiction: In May 2015 we made a report based on a survey of federal managers at 55 agencies.
Contradiction: The subjects in this picture are not standing on the ground/are on top of a building.
Contradiction: The women eat cereal on the moon
Contradiction: It is possible that the company's management has gone crazy.