Anchor: A black dog jumps in a body of water with a stick in his mouth.
Entailed: A dog jumps into the water.
Contradiction: The dog is runs away from his master into an igloo.
Contradiction: It is not available to the public.
Contradiction: Economics is one of the issues that makes the role necessary.
Contradiction: A fireman is extinguishing a fire.
Contradiction: In recent years the GAO has been prompted to increase efficiency.