(S (S (NP (BASENP (NNP BP) (NNP Exploration) (NNP Alaska) (COMMA ,) (NNP Inc)) (PRN (COMMA ,) (NP (BASENP (DT the) (NN company)) (VP (VBG running) (BASENP (DT the) (NN field)))) (COMMA ,))) (VP (VBZ has) (VP (VBN said) (SBAR (IN that) (S (BASENP (NN oil) (NN production)) (VP (MD will) (VP (VB be) (VP (VBN reduced) (PP (IN by) (NP (NP (BASENP (NN 400,000) (NNS barrels)) (PP (IN per) (BASENP (NN day)))) (CONJP (COMMA ,) (CC or)) (NP (BASENP (QP (RB nearly) (NN 8)) (NN %)) (PP (IN of) (BASENP (DT the) (JJ total) (NNP U.S.) (NN oil) (NN production)))))))))))))) (PERIOD .))