Anchor: A snowboarder flies through the air on a red snowboard in front of a snowy landscape.
Entailed: A snowboarder is flying in the air
Contradiction: A snowboarder is sleep.
Contradiction: I never write a check at the supermarket, I always pay cash.
Contradiction: The outbound mail are distributed by weight interval. 
Contradiction: A man is skiing down a mountain.
Contradiction: boy on grass