He mutter in n<apostrophe>t colder help them .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_1 (VBP_0 mutter) (PP_2 (IN_0 in) (NP_6 (RB_1 n<apostrophe>t) (JJR_0 colder)))) (VP_1 (VB_0 help) (NP_1 (PRP_0 them))))) (DOT_0 .)))