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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (ATVP_1 (VBD_1 fixed) (RB_1 back)) (VP_1 (ATVP_0 (VBG_0 flung) (PRT_0 (RP_0 about))) (SBAR_0 (WHNP_0 (WDT_0 that)) (S_2 (NP_1 (NNS_0 structures)) (VP_0 (TO_0 to) (VP_1 (VB_0 come) (NP_0 (DT_1 The))))))))) (DOT_0 .)))