I saw n<apostrophe>t so `` doing in the luggage .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (ATVP_1 (VBD_1 saw) (ADVP_0 (RB_1 n<apostrophe>t) (RB_1 so))) (VP_5 (ATVP_4 (TICK_0 ``) (VBG_0 doing)) (PP_2 (IN_0 in) (NP_5 (DT_0 the) (NN_2 luggage)))))) (DOT_0 .)))