Anchor: Coretta was a reliable liberal mascot, but she foundered as an executive.
Entailed: Coretta did not do well as an executive.
Contradiction: Coretta was an amazingly successful executive.
Contradiction: A tennis player dropped the ball.
Contradiction: We are trying to eat less meat than we used to.
Contradiction: Pollard's supporters are not going to be able to stomach that excuse.
Contradiction: A human rides a bike in a market.