Anchor: A snow skier is going down a slalom course.
Entailed: The skier is on a mountain.
Contradiction: The skier is too afraid to go down.
Contradiction: A family of six on Thanksgiving.
Contradiction: The green barrel is being jump over by a skateboarder.
Contradiction: We do not offer any kind of activities for the kids. 
Contradiction: A skateboarder is practicing his craft.