That conference thought what her to keep .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 That) (NN_2 conference)) (VP_4 (VBD_0 thought) (SBAR_0 (WHNP_0 (WP_0 what)) (S_2 (NP_1 (PRP_0 her)) (VP_0 (TO_0 to) (VP_1 (VB_0 keep))))))) (DOT_0 .)))