Anchor: The skateboarder is taking a jump.
Entailed: The person is on a skateboard.
Contradiction: The skateboarder is at home taking a nap.
Contradiction: Dr. Hall knew it happened a long ways away.
Contradiction: My advice would be to walk softly near him for a while.
Contradiction: A girl and a boy are sitting quietly in the garden overlooking a lake
Contradiction: The independence the Coens have hasn't been earned.