a grass now spit on . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (DT_0 a) (NN_2 grass)) (VP_4 (ATVP_0 (ADVP_0 (RB_0 now)) (VBD_2 spit)) (PRT_0 (RP_0 on)))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))