she mutter n<apostrophe>t should back white .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 she)) (VP_4 (ATVP_1 (VBP_0 mutter) (RB_1 n<apostrophe>t)) (VP_5 (ATVP_1 (MD_0 should) (RB_1 back)) (ADJP_0 (JJ_0 white))))) (DOT_0 .)))