Anchor: The signal knock, the demand for a number, and the reply "Correct." Two knocks followed in quick succession on the door below.
Entailed: Two knocks could be heard in quick succession on the door below after the signal knock and the reply.
Contradiction: The signal knock and the demand for the number were incorrect according to the reply.
Contradiction: There are no permits allowed.
Contradiction: The government currently only has to enforce three main things regarding emissions.
Contradiction: A woman points at a projector.
Contradiction: There are two humans and three animals.