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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (VBP_0 refer) (SBAR_0 (S_1 (ATS_1 (ATS_1 (ATS_2 (PP_2 (IN_0 by) (NP_3 (NNP_1 Bolivian))) (COMMA_0 ,)) (NP_0 (PRPDOLLAR_0 his) (NN_0 knit))) (ADVP_0 (RB_0 really))) (VP_3 (VBZ_0 <apostrophe>s)))))) (DOT_0 .)))