`` lacy that discovered ballet to still was .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (TICK_0 ``) (ADVP_0 (RB_0 lacy))) (NP_0 (DT_1 that))) (VP_3 (VBD_1 discovered) (ADJP_0 (JJ_0 ballet) (S_2 (VP_0 (TO_0 to) (VP_1 (ADVP_0 (RB_0 still)) (VBD_1 was))))))) (DOT_0 .)))