Anchor: Three boys climb on a slide
Entailed: Three boys play on a slide.
Contradiction: Three boys play on a jungle gym.
Contradiction: You would see the same thing in the United States.
Contradiction: The Whigs framed things like in the feudal societies. 
Contradiction: None of Leon's clients were able to find courage when going to court.
Contradiction: The SEC provides sanctions to violators of the nation's security laws.