Anchor: Two soccer players on different teams collide in midair while jumping towards the ball.
Entailed: The players collide.
Contradiction: The players are sitting on the sidelines.
Contradiction: The match is in the pool.
Contradiction: bikers are riding down the street
Contradiction: This is one of the best case studies you have presented.
Contradiction: Duke lost to UNLV by thirty points in the finals last year.