that lunch really did who to leave .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (DT_1 that) (NN_2 lunch)) (ADVP_0 (RB_0 really))) (VP_3 (VBD_0 did) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 leave))))))) (DOT_0 .)))