( ( ( The law ) ( of ( ( the conservation ) ( of energy ) ) ) ) ( ( means ( that ( energy ( ( can neither ) ( be ( ( ( ( created or ) destroyed ) , ) ( only ( ( transformed ( from ( one form ) ) ) ( to another ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN law)) (PP (IN of) (NP (NP (DT the) (NN conservation)) (PP (IN of) (NP (NN energy)))))) (VP (VBZ means) (SBAR (IN that) (S (NP (NN energy)) (VP (MD can) (RB neither) (VP (VB be) (VP (VBN created) (CC or) (VBN destroyed) (, ,) (S (ADVP (RB only)) (VP (VBN transformed) (PP (IN from) (NP (CD one) (NN form))) (PP (TO to) (NP (DT another))))))))))) (. .)))
The law of the conservation of energy means that energy can neither be created or destroyed, only transformed from one form to another.
(ROOT (S (NP (NNP Energy) (PRP it)) (VP (MD can) (RB not) (VP (VB be) (VP (VBN destroyed)))) (. .)))