Anchor: The rider skates down the stair rails.
Entailed: There is a person riding down the stair rails.
Contradiction: The rider climbs up a mountain.
Contradiction: A player kicks a football and hits his teammate in the face.
Contradiction: Representatives from the VA found programs they wanted to participate in.
Contradiction: Three people are throwing stuff at the man working.
Contradiction: two people are sitting on a bus