(S (S (BASENP (DT This) (NN change)) (VP (VP (VBZ is) (ADJP (JJ different) (PP (IN from) (BASENP (JJ previous) (NNS years))))) (PP (JJ due) (PP (TO to) (NP (BASENP (DT a) (NNP U.S.) (JJ mandated) (NN daylight) (NN saving) (NN time) (NN change)) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBD was) (VP (VBN caused) (PP (IN by) (NP (BASENP (DT the) (NN Energy) (NN Policy) (NN Act)) (PP (IN of) (BASENP (NN 2005)))))))))))))) (PERIOD .))