Anchor: 2 dirty men working on a car.
Entailed: The two men working on the car are dirty.
Contradiction: A married couple gets out of the shower.
Contradiction: They showed us that Vermont is free of acid rain.
Contradiction: It is so expensive that I wouldn't have afforded it when it was new.
Contradiction: The American government is one of the few you can trust. 
Contradiction: The boys are interacting with each other.