Anchor: A guy is watching another guy jump in the air while snowboarding.
Entailed: One person is watching another person who is in the air.
Contradiction: A woman is watching a girl ski down a hill.
Contradiction: I can' remember anything about school.
Contradiction: There is a stoplight in front of a building.
Contradiction: The black-garbed villains fought like timid mice.
Contradiction: Gates and Ballmer insist that the handover has nothing to do with an antitrust case.