Anchor: Cheerleaders on the sidelines perform an aerial maneuver.
Entailed: There are cheerleaders at the event.
Contradiction: All the cheerleaders are heavy set, and cannot perform aerial maneuvers.
Contradiction: A man swims across a stream.
Contradiction: People are in a park.
Contradiction: Some people are at home.
Contradiction: A snowboarder jumps over a snow hill.