Anchor: A police officer on a motorcycle is behind a four door sedan on a road with billboards in the distance.
Entailed: A police officer is riding his motorcycle on the road.
Contradiction: A cop chases a speeding sedan on his motorcycle and crashes into a sign.
Contradiction: There are no billboards on this road, at all.
Contradiction: A four door sedan runs over a police officer on a motorcycle
Contradiction: A police officer in a car is chasing a sedan down the interstate.
Contradiction: A police officer sitting on the sidewalk staring at a four door sedan.