Anchor: No justice, no peace, barks out a fierce equivalency, although to the uninitiated it may sound like a list of the two things the crowd is  justice and peace.
Entailed: Chanting no justice, no peace is a deliberate demand.
Contradiction: The protesters were singing we shall overcome.
Contradiction: You never change your mind about anything. 
Contradiction: Some people are talking.
Contradiction: The executive should only mind relationships internal to VBA.
Contradiction: I don't think there's hope for lasting peace over there.