he left the stepping gold piled his brown school jerked in the rough mahogany of the conference .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 he)) (VP_4 (VBD_2 left) (S_2 (NP_1 (ATNP_1 (DT_0 the) (VBG_0 stepping)) (NN_0 gold)) (VP_5 (VBD_2 piled) (S_2 (NP_1 (ATNP_1 (PRPDOLLAR_0 his) (JJ_0 brown)) (NN_0 school)) (VP_2 (VBN_0 jerked) (PP_2 (IN_0 in) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 rough)) (NN_1 mahogany)) (PP_0 (IN_1 of) (NP_5 (DT_0 the) (NN_2 conference))))))))))) (DOT_0 .)))