Anchor: In the U.S., most human exposure to mercury is the result of consumption of fish contaminated with methylmercury.
Entailed: Fish contaminated with methylmercury has been consumed by people.
Contradiction: There are no cases of human exposure to mercury in the United States.
Contradiction: A lone gardener tending to the yard's flower bed, with white bags sitting off to the side.
Contradiction: The man is looking right.
Contradiction: There is nothing on the person's head.
Contradiction: The two boys are together.