(S (S (BASENP (NNP Singapore) (NNP Home) (NNPS Affairs) (NNP Minister) (NNP Wong) (NNP Kan) (NNP Seng)) (VP (VP (VBD told) (BASENP (PRPD his) (NNP Parliament))) (SBAR (IN that) (S (NP (DT a) (QT (DQL ``) (BASENP (NN security) (NN lapse)) (DQR ''))) (VP (VBZ is) (SBAR (WHNP (WP what)) (S (VP (VBD led) (PP (TO to) (NP (BASENP (NNP Mas) (NNP Selamat) (POS 's)) (NN escape))))))))))) (PERIOD .))