( ( Since ( ( chemical reactions ) ( can ( neither ( ( ( ( ( ( create nor ) destroy ) matter ) , ) nor ) ( ( transmute ( one element ) ) ( into another ) ) ) ) ) ) ) ( , ( ( ( the amount ) ( of ( each element ) ) ) ( ( must ( ( be ( the same ) ) ( throughout ( the ( overall reaction ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Since) (S (NP (NN chemical) (NNS reactions)) (VP (MD can) (VP (CC neither) (VP (VB create) (CC nor) (VB destroy) (NP (NN matter))) (, ,) (CC nor) (VP (VB transmute) (NP (CD one) (NN element)) (PP (IN into) (NP (DT another)))))))) (, ,) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (DT each) (NN element)))) (VP (MD must) (VP (VB be) (NP (DT the) (JJ same)) (PP (IN throughout) (NP (DT the) (JJ overall) (NN reaction))))) (. .)))
Since chemical reactions can neither create nor destroy matter, nor transmute one element into another, the amount of each element must be the same throughout the overall reaction.
(ROOT (S (NP (NNP Matter)) (VP (MD can) (RB not) (VP (VB be) (VP (VBN created) (CC or) (VBN destroyed) (PP (IN in) (NP (DT a) (NN chemical) (NN reaction)))))) (. .)))