Anchor: The boy safely skates up the ramp before descending again.
Entailed: boy skates up the ramp
Contradiction: boy dances in his college
Contradiction: The FBI is right behind me. 
Contradiction: I have never won a single radio station contest.
Contradiction: dog jumps in lake
Contradiction: The Baroque Palaz?zo Rosso has art by at least four well known artists.