Anchor: Two gentleman, one on a purple motorcycle one on a green one, racing around a tight right hand turn.
Entailed: Two men are having a motorcycle race.
Contradiction: The motorcycles are nuclear powered.
Contradiction: The men are racing sports cars.
Contradiction: The men are running from the cops.
Contradiction: Two mean on motorcycles are racing around a wide left turn.
Contradiction: Their motorcycles are identical.