stepping glasses in cows think up off .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (VBG_0 stepping) (NNS_0 glasses)) (PP_0 (IN_1 in) (NP_4 (NNS_1 cows)))) (VP_4 (ATVP_0 (VB_0 think) (PRT_0 (RP_0 up))) (PRT_0 (RP_0 off)))) (DOT_0 .)))