( ( ( ( Air , ) ( for example ) ) , ) ( ( ( ( ( consists mostly ) ( of ( ( nitrogen and ) oxygen ) ) ) , ) ( with ( ( small quantities ) ( of ( ( ( ( ( argon , ) ( water vapor ) ) , ) and ) ( carbon dioxide ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Air)) (, ,) (PP (IN for) (NP (NN example))) (, ,)) (VP (VBZ consists) (ADVP (RB mostly)) (PP (IN of) (NP (NN nitrogen) (CC and) (NN oxygen))) (, ,) (PP (IN with) (NP (NP (JJ small) (NNS quantities)) (PP (IN of) (NP (NP (NNP argon)) (, ,) (NP (NN water) (NN vapor)) (, ,) (CC and) (NP (NN carbon) (NN dioxide))))))) (. .)))
Air, for example, consists mostly of nitrogen and oxygen, with small quantities of argon, water vapor, and carbon dioxide.
(ROOT (S (NP (NNP Nitrogen) (, ,) (NNP oxygen) (CC and) (NNP argon)) (VP (VBP are) (NP (NP (DT the) (CD three) (JJS most) (JJ common) (NNS elements)) (PP (IN in) (NP (NP (DT the) (NN air)) (SBAR (S (NP (PRP we)) (VP (VB breathe)))))))) (. .)))