Anchor: A man stands on his canoe as he guides his boat down the mountain ringing waterway.
Entailed: Someone is paddling.
Contradiction: The canoe is on the back of a truck.
Contradiction: Two cars are stuck in traffic.
Contradiction: Many people are devoted to ridding popular culture of obscenity, sex, and violence. 
Contradiction: A woman is lying down sleeping on a bench.
Contradiction: Three people racing against each other on the track.