(S (S (S (BASENP (DT The) (NN raise)) (VP (VBP come))) (SBAR (WHADVP (WRB when)) (S (BASENP (DT the) (NNP United) (NNPS States)) (VP (VBD announced) (SBAR (IN that) (S (BASENP (PRP it)) (VP (VP (VBD had) (NP (DT an) (QT (DQL ``) (BASENP (JJ unexpected) (NN loss)) (DQR '')))) (PP (IN in) (NP (NP (BASENP (DT the) (NN nation) (POS 's)) (NN stockpile)) (PP (IN of) (BASENP (NN oil)))))))))))) (PERIOD .))