Anchor: a man in a blue jump shoot practices ninja jumps for a crowd of people.
Entailed: A man is performing martial arts in front of others.
Contradiction: A man is running on the treadmill in his basement.
Contradiction: The men are unemployed and sitting in their boxers.
Contradiction: When I finish what I'm doing to you, you can sleep as instructed. 
Contradiction: Tourists in Venice prefer cars to bicycles.
Contradiction: Rome would retain the preeminence that it obtained for 1,000 years.