Anchor: A mountain biker jumps off of a fence while going downhill.
Entailed: A biker jumps to go downhill.
Contradiction: A biker is resting on the side of the road.
Contradiction: Parents cannot be threatened with imprisonment for allowing teenagers to run amok.
Contradiction: People are in a weird position.
Contradiction: The gravy is very important; it would be wise to take care of it and not throw it away.
Contradiction: the dog is running through the ocean