Anchor: A boat worker grabs a length of mooring rope that is connected to a dock.
Entailed: A person who works boats is grabbing the mooring rope that is connected to the dock.
Contradiction: A boat worker drives a boat down the street to the restaurant.
Contradiction: They will not know about people coming to this place.  
Contradiction: If a musical is specific and universal, it is a good musical.
Contradiction: I know exactly how many there were.
Contradiction: An artist selling a painting.