She breathe back by class , of none .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (ATVP_3 (ATVP_2 (ATVP_0 (VB_0 breathe) (PRT_0 (RP_0 back))) (PP_1 (IN_1 by) (NP_2 (NN_3 class)))) (COMMA_0 ,)) (PP_1 (IN_1 of) (NP_2 (NN_3 none))))) (DOT_0 .)))