Anchor: Adopting a unified approach to reduce SO2, NOx and mercury is better than looking at each pollutant separately because of synergistic effects.
Entailed: Since SO2, NOx and mercury potentiate each other, a unified approach to reducing their levels is more accurate than considering them one by one. 
Contradiction: Mercury, NOx, and SO2 are best considered in harm reduction by themselves, since they bear no relation to each other.
Contradiction: The people are sitting on the concrete.
Contradiction: A man is standing inside a building.
Contradiction: The two people are sleeping in the sand.
Contradiction: The attractions of Bodrum are very crowded and very noisy in the summer months.