Anchor: 5 ambient concentrations; visibility; ambient concentrations and deposition fluxes of several hazardous air pollutants, including mercury; deposition fluxes of nutrient nitrogen; and deposition of acids such as sulfuric acid and nitric acid.
Entailed: Mercury is a hazardous air pollutant. 
Contradiction: Mercury can only be found at the bottom of the ocean.
Contradiction: Kodak remains firmly entrenched in the wholesale distribution market.
Contradiction: A boy is climbing.
Contradiction: There are people working together on a construction project.
Contradiction: a man chases a boy