( Yet ( , ( ( oil ( and ( car companies ) ) ) ( ( continue ( to ( oppose ( policies ( that ( would ( improve ( our ( air quality ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Yet)) (, ,) (NP (NN oil) (CC and) (NN car) (NNS companies)) (VP (VBP continue) (S (VP (TO to) (VP (VB oppose) (NP (NP (NNS policies)) (SBAR (WHNP (WDT that)) (S (VP (MD would) (VP (VB improve) (NP (PRP$ our) (NN air) (NN quality))))))))))) (. .)))
Yet, oil and car companies continue to oppose policies that would improve our air quality.
(ROOT (S (S (VP (VBG Limiting) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NNS cars)) (PP (IN on) (NP (DT the) (NNS roads)))))))) (VP (MD would) (ADVP (RBS most) (RB likely)) (VP (VB improve) (NP (DT the) (NN air) (NN quality)) (PP (IN in) (NP (JJ large) (NNS texas) (NNS cities))))) (. .)))