( ( ( 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 (S (PP (VBG According) (PP (TO to) (NP (NP (DT the) (NN law)) (PP (IN of) (NP (NP (NN conservation)) (PP (IN of) (NP (NN energy)))))))) (, ,) (NP (NN energy)) (VP (MD can) (ADVP (RB never)) (ADVP (RB actually)) (VP (VB be) (`` ``) (VP (VBN consumed)))) ('' '')) (: ;) (S (NP (PRP it)) (VP (MD can) (ADVP (RB only)) (VP (VB be) (VP (VBN changed) (PP (IN from) (NP (CD one) (NN form))) (PP (TO to) (NP (DT another))))))) (. .)))