(S (S (PP (VBG According) (PP (TO to) (BASENP (NNP Yonhap) (NNP News) (NNP Agency)))) (COMMA ,) (S (NP (BASENP (NNP South) (NNP Korea) (POS 's)) (NN military)) (VP (VP (VBZ is) (PP (IN on) (QT (DQL ``) (BASENP (NN emergency) (NN alert)) (DQR '')))) (PP (VBG following) (NP (BASENP (DT a) (NN meeting)) (PP (IN by) (NP (NP (BASENP (NNP South) (NNP Korean) (NNP Joint) (NNPS Chiefs)) (PP (IN of) (BASENP (NNP Staff)))) (PRN (LRB -LRB-) (BASENP (NNP JCS)) (RRB -RRB-))))))))) (PERIOD .))