Anchor: A crowded busy dock with people standing next to a freight car either loading or unloading it.aa.
Entailed: People on a dock next to a freight car.
Contradiction: The dock is empty.
Contradiction: People are sitting down on the docks and unloading the freight.
Contradiction: People are shooting cans with a pellet gun.
Contradiction: A freight car with no one around it.
Contradiction: A crowded dock is empty of all humans with no one to be seen and only a freight car.