Anchor: A man dust mopping the floor while riding a conveyor belt.
Entailed: There is a man cleaning the floors.
Contradiction: There is a man walking and dust mopping the floor
Contradiction: A meter maid is handing out tickets like candy.
Contradiction: A man sitting in a sports car converses with other men.
Contradiction: People are walking on the street.
Contradiction: It takes a special writer to capture American history.