Anchor: Two snorkelers are in a very blue sea swimming by an orange buoy.
Entailed: Two people in snorkel gear swimming by a buoy.
Contradiction: A person suntanning on a beach.
Contradiction: This is the opposite of what a revolution looks like. 
Contradiction: It possibly couldn't be!
Contradiction: Fire flew from their blades.
Contradiction: Centers of politics and finance, as well as several stellar performing arts venues also draw attention.