( ( ( ( ( Energy ( ( can not ) ( be ( ( created or ) destroyed ) ) ) ) , ) but ) ( it ( can ( be ( ( changed ( from ( one form ) ) ) ( to another ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Energy)) (VP (MD can) (RB not) (VP (VB be) (VP (VBN created) (CC or) (VBN destroyed))))) (, ,) (CC but) (S (NP (PRP it)) (VP (MD can) (VP (VB be) (VP (VBN changed) (PP (IN from) (NP (CD one) (NN form))) (PP (TO to) (NP (DT another))))))) (. .)))
Energy cannot be created or destroyed, but it can be changed from one form to another.
(ROOT (S (NP (NNP Energy) (PRP it)) (VP (MD can) (RB not) (VP (VB be) (VP (VBN destroyed)))) (. .)))