a beak stifled what one eyes up .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_0 a) (NN_2 beak)) (VP_4 (VBD_0 stifled) (SBAR_0 (WHNP_0 (WP_0 what)) (S_2 (NP_2 (CD_0 one) (NNS_0 eyes)) (ADJP_0 (RP_0 up)))))) (DOT_0 .)))