( ( The ( water molecule ) ) ( ( consists ( of ( ( two ( hydrogen atoms ) ) ( attached ( to ( a ( central ( oxygen atom ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN water) (NN molecule)) (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (NN hydrogen) (NNS atoms)) (VP (VBN attached) (PP (TO to) (NP (DT a) (JJ central) (NN oxygen) (NN atom))))))) (. .)))
The water molecule consists of two hydrogen atoms attached to a central oxygen atom.
(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))))))) (. .)))