He had back be flung a long mounds .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_1 (VBD_1 had) (ADVP_0 (RB_0 back))) (VP_1 (VB_0 be) (VP_2 (VBG_0 flung) (NP_5 (ATNP_1 (DT_0 a) (JJ_1 long)) (NNS_1 mounds)))))) (DOT_0 .)))