She did then discovered kids grass .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (ATVP_1 (VBD_1 did) (ADVP_0 (RB_0 then))) (VP_5 (VBD_1 discovered) (NP_3 (NP_4 (NNS_1 kids)) (NN_2 grass))))) (DOT_0 .)))