Anchor: Two soccer players collide trying to get the ball.
Entailed: Two soccer player collide.
Contradiction: Two soccer players running different dirrections.
Contradiction: Two men playing football.
Contradiction: The it in this situation is at least partially true. 
Contradiction: A pack of six dogs are running behind each other.
Contradiction: SMI is expected to make up more than 40 percent of Medicare dollars.