Anchor: A young man dunks a basketball.
Entailed: the young man is playing basket ball
Contradiction: the young man is playing with dolls.
Contradiction: Smaller entities were involved in the rulemaking process from the very beginning as the Commission made decisions. 
Contradiction: There is a guy sitting outside on a porch.
Contradiction: The water buses in Venice no longer run to Piazza San Marco.
Contradiction: You can hire a professional, but there's no guarantee coming with it.