Anchor: In the hall below a magnificent hall porter had relegated Albert to the background.
Entailed: Albert was eclipsed by a magnificent hall porter.
Contradiction: Albert strode about the empty hall, dominating it with his presence.
Contradiction: A boy is on a skateboard.
Contradiction: A person is in a vehicle.
Contradiction: Here you'll find a plethora of Jamaican Iguanas. 
Contradiction: Football plays run at each other.