( states ( that ( ( during ( a ( chemical reaction ) ) ) ( , ( matter ( ( is not ) ( ( created or ) destroyed ) ) ) ) ) ) )
(ROOT (X (NP (NNS states)) (SBAR (IN that) (S (PP (IN during) (NP (DT a) (NN chemical) (NN reaction))) (, ,) (NP (NN matter)) (VP (VBZ is) (RB not) (VP (VBN created) (CC or) (VBN destroyed)))))))
states that during a chemical reaction, matter is not created or destroyed
(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)))))) (. .)))