Anchor: A soccer player in a green jersey kicks a blue and yellow ball.
Entailed: The soccer ball is multicolored.
Contradiction: The soccer player is holding a blue and yellow ball.
Contradiction: Veteran travelers know it's a waste of time and effort to keep their receipts.
Contradiction: I think that is pretty avid.
Contradiction: Cairo has outlawed working out.
Contradiction: Isaac Asimov has a series about robots.