She would march doing on the only valley .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (MD_0 would) (VP_1 (VB_0 march) (VP_2 (VBG_0 doing) (PP_2 (IN_0 on) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 only)) (NN_1 valley))))))) (DOT_0 .)))