Anchor: A boy heading a soccer ball towards the goal while the goalie waits to block it.
Entailed: A boy playing soccer.
Contradiction: Two girls ice skating.
Contradiction: I don't agree. It's a forgivable offense. 
Contradiction: This is a large city with no green space.
Contradiction: A man whistles to himself.
Contradiction: A system for modeling aerosols and deposition.