It march to keep the rough path .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (ATVP_0 (VB_0 march) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 keep))))) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 rough)) (NN_1 path)))) (DOT_0 .)))