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(ROOT_0 (S_0 (ATS_3 (ATS_1 (S_2 (VP_0 (ATVP_1 (MD_0 could) (ADVP_0 (RB_1 back) (RB_1 n<apostrophe>t))) (NP_5 (NN_3 mahogany)))) (NP_0 (DT_1 that))) (VP_3 (MD_0 could) (VP_1 (VB_0 give) (SBAR_0 (IN_2 since) (S_1 (NP_0 (PRP_1 he)) (VP_5 (MD_0 can) (VP_1 (VB_0 ask)))))))) (DOT_0 .)))