I would back mumbled swollen for there .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 I)) (VP_4 (ATVP_1 (MD_0 would) (RB_1 back)) (VP_5 (VBD_0 mumbled) (ADJP_0 (JJ_1 swollen) (PP_1 (IN_1 for) (NP_0 (EX_0 there))))))) (DOT_0 .)))