Anchor: Air quality modelers and researchers have responded to the need for scientifically valid and reliable estimates of air quality changes by developing a number of sophisticated atmospheric dispersion and transformation models.
Entailed: By developing sophisticated atmospheric dispersion and transformation models, researchers have filled a need for valid and reliable estimates of air quality changes.
Contradiction: Lobbyists are claiming that air quality modelers and researchers have failed to respond to the need for scientifically valid and reliable estimates of air quality changes. 
Contradiction: A woman in jeans jumping on the grass
Contradiction: A drummer entertains some children.
Contradiction: A guy rests on his Lay-Z-Boy.
Contradiction: There must be something in all of the people that demands to be needed.