Anchor: The unquantified benefits for ozone and PM fall into two  (1) those for which the scientific literature does not provide an established Concentration-Response (C-R) function capable of estimating health effects with reasonable certainty and (2) those effects that may double-count benefits (e.g.
Entailed: There are two categories of unquantified benefits for ozone and PM. 
Contradiction: There are absolutely zero unquantified benefits for ozone and PM. 
Contradiction: Two old ladies knitting a rug.
Contradiction: The men out leaning out the window.
Contradiction: The man is dreaming about welding.
Contradiction: A dark-haired woman is sitting on the sofa crying into a white pillow.