Anchor: These gains have provided cleaner air for millions of people.
Entailed: These gains have provided the benefit of less dirty air for multiple million people. 
Contradiction: These gains have done nothing but made the air more dirty. 
Contradiction: A group of haters at an union, holding up large, blue letters.
Contradiction: Animal is making noises.
Contradiction: They are asleep at home.
Contradiction: Jeffords is working towards a cap and trade program.