`` She did back slid the grass yawn .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (TICK_0 ``) (NP_1 (PRP_0 She))) (VP_3 (ATVP_1 (VBD_0 did) (RB_1 back)) (VP_5 (VBD_0 slid) (NP_6 (ATNP_1 (DT_0 the) (NN_3 grass)) (NN_1 yawn))))) (DOT_0 .)))