them stepping up these deserted light .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 them)) (VP_4 (ATVP_0 (VBG_0 stepping) (PRT_0 (RP_0 up))) (NP_6 (ATNP_1 (DT_0 these) (JJ_1 deserted)) (NN_1 light)))) (DOT_0 .)))