so higher , , was out know on his smile .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_2 (NP_6 (RB_1 so) (JJR_0 higher)) (COMMA_0 ,)) (COMMA_0 ,)) (VP_4 (ATVP_1 (VBD_1 was) (RB_1 out)) (VP_5 (VBP_0 know) (PP_2 (IN_0 on) (NP_3 (PRPDOLLAR_0 his) (NN_0 smile)))))) (DOT_0 .)))