on the classes , a beak then Seriously narrowed off dead .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_1 (ATS_1 (ATS_2 (PP_2 (IN_0 on) (NP_6 (DT_0 the) (NNS_1 classes))) (COMMA_0 ,)) (NP_0 (DT_0 a) (NN_2 beak))) (ADVP_0 (RB_0 then))) (ADVP_0 (RB_0 Seriously))) (VP_3 (ATVP_3 (VBD_2 narrowed) (PRT_0 (RP_0 off))) (ADJP_0 (JJ_0 dead)))) (DOT_0 .)))