Anchor: Two motorcyclists are racing around a circular track.
Entailed: Two bikers are racing around a track.
Contradiction: One biker is driving on the road.
Contradiction: You don't have to pay close attention to hang drywall.
Contradiction: Ivan said that you should go see him.
Contradiction: A group of football players are hiding behind the music stands.
Contradiction: The hill has a fallen skier on it.