(S (S (BASENP (NNS Residents)) (VP (VBP say) (SBAR (IN that) (S (S (BASENP (NNS firefighters)) (VP (VP (VBD were) (RB not)) (ADJP (JJ able) (S (VP (TO to) (VP (VP (VB bring) (BASENP (DT the) (NN blaze))) (PP (IN under) (BASENP (NN control))))))))) (SBAR (IN because) (S (BASENP (DT the) (NN pipeline)) (VP (VP (VP (VBD was) (ADJP (JJ active))) (PP (IN for) (NP (QP (ADVP (IN at) (JJS least)) (NN 5)) (NNS hours)))) (PP (IN after) (BASENP (DT the) (NN explosion)))))))))) (PERIOD .))