Anchor: History makes it clear that children and teen-agers are no strangers to violent impulses.
Entailed: History shows that children and teenagers are capable of violent impulses.
Contradiction: Children and teenagers have always been docile in the past.
Contradiction: Are you a cop?
Contradiction: There is a group of men sitting.
Contradiction: The men are playing table tennis in the rec hall
Contradiction: Some of them practiced strategic planning proposals.