Anchor: A biker doing a jump in a forest.
Entailed: A biker is out in the forest.
Contradiction: A biker is walking in the forest.
Contradiction: The EPA Administrator will make a rule that addresses air quality.
Contradiction: The lawyer tried to force her to drink some alcohol. 
Contradiction: All four people are fast asleep.
Contradiction: I am somewhat confused to why you didn't tell me when we got the other dog.