Anchor: A person equipped in snow protective gear is going down a snowy hill on a snowboard.
Entailed: A person is wearing protective gear.
Contradiction: The person is wearing a speedo.
Contradiction: He did not plan on showing his model to any news agencies.
Contradiction: John Paul II is accused of not practicing what he preaches.
Contradiction: A boy is swimming in the lake
Contradiction: No you don't.