Anchor: Scuba diver under the water holding small crustacean in his hands.
Entailed: A scuba diver is under the water.
Contradiction: The scuba diver is resting on the beach.
Contradiction: It is summer.
Contradiction: At the top of a sloping driveway lies the original university building.  
Contradiction: The woman is walking.
Contradiction: The woman is looking at something.