(S (S (BASENP (NNP Pemex)) (VP (VBZ has) (VP (VBN explained) (SBAR (IN that) (S (NP (BASENP (DT the) (NN theft)) (PP (IN of) (NP (BASENP (NN oil)) (PP (IN from) (BASENP (DT the) (NNS pipelines)))))) (VP (VBZ causes) (S (BASENP (PRP them)) (VP (TO to) (VP (VP (VB lose) (NP (BASENP (NNS hundreds)) (PP (IN of) (NP (BASENP (NNS millions)) (PP (IN of) (BASENP (NNS dollars))))))) (BASENP (DT every) (NN year))))))))))) (PERIOD .))