( ( ( The ( organic compounds ) ) ( -LRB- ( ( ( proteins , ) ( ( lipids and ) carbohydrates ) ) -RRB- ) ) ) ( ( contain ( ( ( the majority ) ( of ( ( ( the ( ( carbon and ) nitrogen ) ) and ) ( most ( of ( the ( ( oxygen and ) hydrogen ) ) ) ) ) ) ) ( is ( present ( as water ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ organic) (NNS compounds)) (PRN (-LRB- -LRB-) (NP (NP (NNS proteins)) (, ,) (NP (NNS lipids) (CC and) (NNS carbohydrates))) (-RRB- -RRB-))) (VP (VBP contain) (SBAR (S (NP (NP (DT the) (NN majority)) (PP (IN of) (NP (NP (DT the) (NN carbon) (CC and) (NN nitrogen)) (CC and) (NP (NP (JJS most)) (PP (IN of) (NP (DT the) (NN oxygen) (CC and) (NN hydrogen))))))) (VP (VBZ is) (ADJP (JJ present) (PP (IN as) (NP (NN water)))))))) (. .)))
The organic compounds (proteins, lipids and carbohydrates) contain the majority of the carbon and nitrogen and most of the oxygen and hydrogen is present as water.
(ROOT (S (NP (NNS Carbohydrates)) (VP (VBP are) (NP (NP (DT the) (ADJP (RBS most) (JJ common)) (NN type)) (PP (IN of) (NP (JJ organic) (NN compound))))) (. .)))