Anchor: A little boy swims underwater.
Entailed: A child swimming.
Contradiction: A boy floats on top of water.
Contradiction: The people are playing hockey in the ice rink.
Contradiction: I don't want to be paid because then it becomes a job instead of a hobby
Contradiction: A mother and child are at school.
Contradiction: He was determined to keep his self-image as one that was very high.