( ( Six ( of ( ( these elements ) ( -LRB- ( ( ( carbon , ) ( hydrogen ( , ( nitrogen ( , ( oxygen ( , ( ( phosphorus & ) sulfur ) ) ) ) ) ) ) ) -RRB- ) ) ) ) ) ( ( comprise ( ( ( about 98 ) % ) ( of ( ( the ( body weight ) ) ( of ( ( most living ) organisms ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (CD Six)) (PP (IN of) (NP (NP (DT these) (NNS elements)) (PRN (-LRB- -LRB-) (NP (NP (NN carbon)) (, ,) (NP (NN hydrogen) (, ,) (NN nitrogen) (, ,) (NN oxygen) (, ,) (NN phosphorus) (CC &) (NN sulfur))) (-RRB- -RRB-))))) (VP (VBP comprise) (NP (NP (QP (RB about) (CD 98)) (NN %)) (PP (IN of) (NP (NP (DT the) (NN body) (NN weight)) (PP (IN of) (NP (ADJP (RBS most) (JJ living)) (NNS organisms))))))) (. .)))
Six of these elements (carbon, hydrogen, nitrogen, oxygen, phosphorus & sulfur) comprise about 98% of the body weight of most living organisms.
(ROOT (S (NP (VBG Living) (NNS organisms)) (VP (VBP are) (VP (VBN comprised) (PP (IN of) (NP (NP (JJ organic) (NNS compounds)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (NP (NP (NNS molecules)) (VP (VBN built) (PP (IN around) (NP (NN carbon)))))))))))) (. .)))