that grass Still was what doing .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (DT_1 that) (NN_2 grass)) (ADVP_0 (RB_0 Still))) (VP_3 (VBD_0 was) (SBAR_0 (WHNP_0 (WP_0 what)) (S_2 (VP_0 (VBG_0 doing)))))) (DOT_0 .)))