him mumbled so happened It , to know waking .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 him)) (VP_4 (ATVP_3 (ATVP_2 (ATVP_0 (VBD_2 mumbled) (ADVP_0 (RB_0 so))) (VP_1 (VBN_0 happened) (NP_1 (PRP_0 It)))) (COMMA_0 ,)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 know) (S_2 (VBG_0 waking))))))) (DOT_0 .)))