(S (S (BASENP (NNP South) (NNP Korea)) (VP (VBD had) (VP (VP (VP (VBN postponed) (BASENP (DT the) (NN launch))) (PP (IN on) (BASENP (NNP Wednesday)))) (PP (JJ due) (PP (TO to) (NP (BASENP (NNS problems)) (PP (IN with) (NP (BASENP (DT the) (NN rocket) (POS 's)) (BASENP (NN fire) (NN extinguisher) (NN system)))))))))) (PERIOD .))