( ( ( A lot ) ( of carbon ) ) ( ( ( combines ( with oxygen ) ) ( to ( make ( ( ( ( ( ( carbon monoxide ) ( -LRB- ( ( one ( oxygen atom ) ) -RRB- ) ) ) or ) ( ( carbon dioxide ) ( -LRB- ( ( two ( oxygen atoms ) ) -RRB- ) ) ) ) , ) ( for example ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN lot)) (PP (IN of) (NP (NN carbon)))) (VP (VBZ combines) (PP (IN with) (NP (NN oxygen))) (S (VP (TO to) (VP (VB make) (NP (NP (NP (NN carbon) (NN monoxide)) (PRN (-LRB- -LRB-) (NP (CD one) (NN oxygen) (NN atom)) (-RRB- -RRB-))) (CC or) (NP (NP (NN carbon) (NN dioxide)) (PRN (-LRB- -LRB-) (NP (CD two) (NNP oxygen) (NNS atoms)) (-RRB- -RRB-))) (, ,) (PP (IN for) (NP (NN example)))))))) (. .)))
A lot of carbon combines with oxygen to make carbon monoxide (one oxygen atom) or carbon dioxide (two oxygen atoms), for example.
(ROOT (S (NP (NNP Carbon) (NN dioxide) (NNS molecules)) (VP (VBP consist) (PP (IN of) (NP (NP (DT a) (JJ central) (NN carbon) (NN atom)) (VP (VBN bonded) (PP (TO to) (NP (CD two) (NN oxygen) (NNS atoms))))))) (. .)))