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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (VBP_0 do) (SBAR_0 (WHADVP_0 (WRB_0 when)) (S_1 (VP_0 (ATVP_1 (VBD_1 fixed) (RB_1 n<apostrophe>t)) (VP_1 (VB_0 speak) (NP_3 (NP_6 (ATNP_1 (PDT_0 such) (DT_0 a)) (NN_1 cluster)) (PP_0 (IN_1 into) (NP_2 (NN_3 boy)))))))))) (DOT_0 .)))