and them knew . This used up to a grass looking .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (ATS_3 (ATS_1 (CC_0 and) (NP_1 (PRP_0 them))) (VP_3 (VBD_0 knew))) (DOT_0 .)) (NP_0 (DT_1 This))) (VP_3 (ATVP_3 (VBD_2 used) (PRT_0 (RP_0 up))) (PP_2 (TO_0 to) (NP_3 (NP_5 (DT_0 a) (NN_2 grass)) (SBAR_0 (S_2 (VP_0 (VBG_0 looking)))))))) (DOT_0 .)))