(S (S (BASENP (NNP Science) (NNP Ministry) (NN spokesman) (NNP Pyun) (NNP Kyung-bum)) (VP (VBD said) (COMMA ,) (QT (DQL ``) (S (BASENP (PRP We)) (VP (VBP expect) (SBAR (IN that) (S (BASENP (PRP it)) (VP (MD will) (VP (VP (VB be) (ADJP (JJ difficult))) (S (VP (TO to) (VP (VB launch) (BASENP (NN today))))))))))) (DQR '')))) (PERIOD .))