Anchor: A man has fallen out of a white water raft while other rafters look at him.
Entailed: There are people looking at the man that fell.
Contradiction: The man is riding on a ship.
Contradiction: Information systems are uniform in composition.
Contradiction: The rider is on a motorcycle.
Contradiction: The boy is riding a bicycle.
Contradiction: Most of the essays in this compilation were first published by the New Yorker.