later a beak stifled the sudden api of class fine .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (RB_1 later) (NP_5 (DT_0 a) (NN_2 beak))) (VP_3 (ATVP_3 (VBD_0 stifled) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 sudden)) (NN_1 api))) (PP_0 (IN_1 of) (NP_6 (NN_3 class) (JJ_0 fine))))) (DOT_0 .)))