Anchor: A boxer wearing white shorts throws a punch at a boxer wearing blue shorts.
Entailed: 2 athletes competing against each other
Contradiction: 2 men rowing a boat
Contradiction: The sail boat doesn't need it's two large masts in order to move quickly.
Contradiction: It is daytime.
Contradiction: Three children and their mother waiting in a hospital for the doctor to arrive.
Contradiction: A person wears a cap with horns.