Anchor: Two people are riding a red raft down a blue water slide.
Entailed: Some people are on a water slide.
Contradiction: Two people are sitting in a raft in calm water.
Contradiction: A woman is standing underneath a snow covered tree.
Contradiction: You're right, if we ban them bad people could still get them. 
Contradiction: Did you tell him to ask me about it?
Contradiction: Paris offers many entertainment activities, like watching a movie.