He came to stepping muscle to .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (VBD_2 came) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_4 (VBG_0 stepping) (NP_5 (NN_3 muscle))) (S_2 (VP_0 (TO_0 to)))))))) (DOT_0 .)))