Anchor: Three men are working together to pump gas from a barrel.
Entailed: The men are pumping gas.
Contradiction: Three friends perform an oil change.
Contradiction: The suicide jumper takes a final drag before plummeting to his death in front of horrified police.
Contradiction: One must list cases and projects that will benefit from having an attorney involved 
Contradiction: Several people are sitting in the grass.
Contradiction: A man is standing on top of a mountain.