Anchor: The cover story attributes teen-agers' mercurial behavior to underdeveloped brains.
Entailed: Underdeveloped brains might be the reason behind teenagers' behavior.
Contradiction: Teenagers have overdeveloped brains, which leads to their behavior.
Contradiction: Transactions should be authorized by people with no authority 
Contradiction: The boy is playing with his toy.
Contradiction: They saw the reason to make a new category.
Contradiction: The women are at a location where alcohol is served.