( ( ( CO 2 ) ( -LRB- ( ( carbon dioxide ) -RRB- ) ) ) ( ( is ( ( an example ) ( of ( ( a molecule ) ( that ( contains ( ( ( ( one atom ) ( of carbon ) ) and ) ( two ( of oxygen ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP CO) (CD 2)) (PRN (-LRB- -LRB-) (NP (NN carbon) (NN dioxide)) (-RRB- -RRB-))) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (NP (DT a) (NN molecule)) (SBAR (WHNP (WDT that)) (S (VP (VBZ contains) (NP (NP (NP (CD one) (NN atom)) (PP (IN of) (NP (NN carbon)))) (CC and) (NP (NP (CD two)) (PP (IN of) (NP (NN oxygen)))))))))))) (. .)))
CO 2 (carbon dioxide) is an example of a molecule that contains one atom of carbon and two of oxygen.
(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))))))) (. .)))