(S (S (NP (BASENP (DT The) (NN report)) (PRN (COMMA ,) (NP (BASENP (DT the) (NN product)) (PP (IN of) (NP (BASENP (DT a) (JJ four-month) (NN investigation)) (VP (VBN conducted) (PP (IN by) (NP (NP (BASENP (NNP BP) (POS 's)) (NP (BASENP (NNP Head)) (PP (IN of) (BASENP (NNP Safety) (NNPS Operations))))) (COMMA ,) (BASENP (NNP Mark) (NNP Bly)))))))) (COMMA ,))) (VP (VP (VP (VP (VBZ criticizes) (NP (NP (BASENP (DT the) (NN oil) (NN rig) (POS 's)) (BASENP (NN fire) (NN prevention) (NNS systems))) (COMMA ,) (NP (BASENP (DT the) (NN crew)) (PP (IN of) (BASENP (DT the) (NN rig)))))) (PP (IN for) (S (VP (VBG failing) (S (VP (TO to) (VP (VB realize) (CC and) (VB act)))))))) (PP (IN upon) (NP (NN evidence) (SBAR (IN that) (S (BASENP (NN oil)) (VP (VBD was) (VP (VBG leaking) (PP (IN from) (NP (BASENP (DT the) (NN surface)) (PP (IN of) (BASENP (DT the) (NN ocean)))))))))))) (CONJP (COMMA ,) (CC and)) (VP (VBZ describes) (SBAR (WHADVP (WRB how)) (S (BASENP (NNP BP) (CC and) (NNP Transocean)) (VP (QT (DQL ``) (VP (ADVP (RB incorrectly)) (VBD accepted)) (DQR '')) (BASENP (JJ negative) (NN pressure) (NN test) (NNS results)))))))) (PERIOD .))