Anchor: All athletes are required to pass physicals to ensure that they do not place themselves or other participants at risk.
Entailed: The physicals that athletes must pass are to make sure they are not at risk.
Contradiction: Most athletes are not asked to pass any physical checks.
Contradiction: The people are playing tennis.
Contradiction: A tennis player is bending over.
Contradiction: Two girls swinging at the playground.
Contradiction: Four people are in chains.