he could piled really of , to be .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 he)) (VP_4 (MD_0 could) (VP_1 (ATVP_3 (ATVP_2 (ATVP_0 (VBD_2 piled) (ADVP_0 (RB_0 really))) (PP_1 (IN_1 of))) (COMMA_0 ,)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 be))))))) (DOT_0 .)))