(S (S (PP (IN Until) (ADVP (RB now))) (COMMA ,) (S (BASENP (EX there)) (VP (VBD was) (NP (BASENP (DT no) (NN way)) (SBAR (S (VP (TO to) (VP (VP (VB determine) (NP (BASENP (DT the) (NN location)) (PP (IN of) (BASENP (DT the) (NNPS ROVs))))) (PP (IN in) (NP (BASENP (NN relation)) (PP (TO to) (BASENP (DT the) (ADJP (RB previously) (VBG leaking)) (NNP Deepwater) (NNP Horizon) (NN well))))))))))))) (PERIOD .))