Anchor: Rear view of dark-skinned woman walking on sidewalk near artwork that is on display.
Entailed: A woman walks near artwork.
Contradiction: A woman dances on the stage.
Contradiction: Melatonin is an artificial hormone produced in a lab.
Contradiction: Yeltsin warned about the grave consequences of an American attack.
Contradiction: He looked as though he expected silence in return. 
Contradiction: A man is wearing a headband.