(S (S (SBAR (IN After) (S (NP (BASENP (DT an) (NN oil) (NN pipeline)) (PP (IN in) (BASENP (NNP China)))) (VP (VP (VBD exploded)) (CC and) (VP (VP (VBD spilled) (NP (BASENP (QP (RB around) (NN 1,500)) (NNS tonnes)) (PP (IN of) (BASENP (NN oil))))) (PP (IN into) (NP (BASENP (DT the) (NNP Yellow) (NNP Sea)) (PP (IN near) (NP (BASENP (DT the) (NN city)) (PP (IN of) (BASENP (NNP Dalian))))))))))) (COMMA ,) (S (BASENP (DT the) (NN government)) (VP (VBZ has) (VP (VBN launched) (NP (BASENP (DT a) (NN cleanup) (NN operation)) (ADJP (JJ consisting) (PP (IN of) (NP (QP (ADVP (RBR more) (IN than)) (NN 800)) (NNS vessels))))))))) (PERIOD .))