(S (S (S (NP (NNS Efforts) (SBAR (S (VP (TO to) (VP (VP (VB put) (PRT (RP out))) (BASENP (DT the) (NN fire))))))) (VP (VBD failed))) (CC and) (S (BASENP (DT the) (NN rig)) (VP (ADVP (RB subsequently)) (VP (VBD sank) (PP (TO to) (NP (BASENP (DT the) (NN bottom)) (PP (IN of) (BASENP (DT the) (NNP Gulf))))))))) (PERIOD .))