(S (S (PP (VBG According) (PP (TO to) (NP (BASENP (DT a) (NN report)) (VP (VBN published) (PP (IN by) (NP (NP (BASENP (DT the) (NNP U.S.) (NNP Department)) (PP (IN of) (BASENP (NNP Energy)))) (PRN (LRB -LRB-) (BASENP (NNP DOE)) (RRB -RRB-)))))))) (COMMA ,) (S (BASENP (JJ crude) (NN oil) (NNS stocks)) (VP (VP (VBD declined) (PP (IN by) (BASENP (QP (NN 6.5) (NN million))))) (COMMA ,) (PP (TO to) (BASENP (QP (NN 315) (NN million)) (NNS barrels)))))) (PERIOD .))