to teach : his literacy stop up .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (S_1 (VP_0 (TO_0 to) (VP_1 (VB_0 teach)))) (COLON_0 :)) (S_1 (NP_0 (PRPDOLLAR_0 his) (NN_0 literacy)) (VP_5 (VB_0 stop) (PRT_0 (RP_0 up))))) (DOT_0 .)))