them refer that he asked the sitting chin . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (PRP_0 them)) (VP_4 (VBP_0 refer) (SBAR_0 (IN_2 that) (S_1 (NP_0 (PRP_1 he)) (VP_5 (VBD_0 asked) (NP_6 (ATNP_1 (DT_0 the) (VBG_0 sitting)) (NN_1 chin))))))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))