I discovered from they was really come worried of Bolivians .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBD_0 discovered) (SBAR_0 (IN_2 from) (S_1 (NP_0 (PRP_1 they)) (VP_5 (ATVP_1 (VBD_1 was) (ADVP_0 (RB_0 really))) (VP_1 (VB_0 come) (VP_2 (VBN_0 worried) (PP_2 (IN_0 of) (NP_3 (NNP_1 Bolivians)))))))))) (DOT_0 .)))