I slithered shaking purple chin on his literacy .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBD_2 slithered) (S_2 (VP_0 (ATVP_4 (VBG_0 shaking) (NP_5 (JJ_1 purple) (NN_0 chin))) (PP_2 (IN_0 on) (NP_3 (PRPDOLLAR_0 his) (NN_0 literacy))))))) (DOT_0 .)))