Anchor: They have commanders who speak through the air to one another.
Entailed: Their commanders speak through the air to one another.
Contradiction: Their commanders only write letters to each other.
Contradiction: A black man is beaten by the cops.
Contradiction: but why did we not do this in the past
Contradiction: Sex scenes on TV and in movies distract us from other things in the world, like homicide. 
Contradiction: a man outside