Anchor: Biker jumping off a ramp in the forest.
Entailed: A biker is jumping outdoors off of a ramp.
Contradiction: A person is taking a walk in the forest.
Contradiction: The woman is going down stairs.
Contradiction: Tuppence laughed almost uncontrollably.
Contradiction: It took them a total of seven days to cross the barrens. 
Contradiction: A girl is near the water.