Anchor: A ballerina in a black dress and tights dances in front of a concrete wall.
Entailed: a human practices ballet
Contradiction: a man dancing
Contradiction: He could leave whenever he wished to.
Contradiction: According to a Washington Post poll, Clinton's job rating was no longer at 60 points. 
Contradiction: a couple out on a date
Contradiction: I felt the wind move, and sensed the movement of tiny particles in the air.