it discovered the first grass and going .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (S_1 (NP_0 (PRP_1 it)) (VP_5 (VBD_0 discovered) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 first)) (NN_1 grass)))) (CC_0 and)) (S_1 (VP_0 (VBG_0 going)))) (DOT_0 .)))