what it staying by to His ballet , .
(ROOT_0 (S_0 (ATS_3 (SBAR_0 (WHNP_0 (WP_0 what)) (S_2 (NP_1 (PRP_1 it)) (VP_0 (VBG_0 staying) (PP_2 (IN_0 by) (PP_2 (TO_0 to) (NP_2 (PRPDOLLAR_0 His) (JJ_0 ballet))))))) (COMMA_0 ,)) (DOT_0 .)))