Anchor: A backpacker and a dog on a snow covered landscape at nightfall.
Entailed: A backpacker with his dog are in snow at night.
Contradiction: A man and his dog are running in a grassy field.
Contradiction: Nobody has ever been accused of fabricating quote from Robert Reich.
Contradiction: He didn't want to hit the putt. 
Contradiction: There are many people who have been able to describe such systems.
Contradiction: The wall is the same color as the man's clothing.