( ( ( The ( first law ) ) ( basically ( says ( that ( matter ( ( ( ( can not ) ( be created ) ) , ) ( ( the conservation ) ( of energy ) ) ) ) ) ) ) ) ( , ( it ( ( ( can not ) ( be ( ( created or ) destroyed ) ) ) . ) ) ) )
(ROOT (S (S (NP (DT The) (JJ first) (NN law)) (ADVP (RB basically)) (VP (VBZ says) (SBAR (IN that) (S (NP (NN matter)) (VP (VP (MD can) (RB not) (VP (VB be) (VP (VBN created)))) (, ,) (NP (NP (DT the) (NN conservation)) (PP (IN of) (NP (NN energy))))))))) (, ,) (NP (PRP it)) (VP (MD can) (RB not) (VP (VB be) (VP (VBN created) (CC or) (VBN destroyed)))) (. .)))
The first law basically says that matter cannot be created, the conservation of energy, it cannot be 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)))))) (. .)))