( ( ( The ( fundamental law ) ) ( of Chemistry ) ) ( ( is ( ( that ( ( ( matter and ) energy ) ( ( can not ) ( be ( ( created or ) destroyed ) ) ) ) ) ( -- ( ( the principle ) ( that ( underlies ( ( all formulas ) ( describing ( every ( chemical reaction ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ fundamental) (NN law)) (PP (IN of) (NP (NNP Chemistry)))) (VP (VBZ is) (NP (SBAR (IN that) (S (NP (NN matter) (CC and) (NN energy)) (VP (MD can) (RB not) (VP (VB be) (VP (VBN created) (CC or) (VBN destroyed)))))) (: --) (NP (NP (DT the) (NN principle)) (SBAR (WHNP (WDT that)) (S (VP (VBZ underlies) (S (NP (DT all) (NNS formulas)) (VP (VBG describing) (NP (DT every) (JJ chemical) (NN reaction)))))))))) (. .)))
The fundamental law of Chemistry is that matter and energy cannot be created or destroyed -- the principle that underlies all formulas describing every chemical 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)))))) (. .)))