where beak sleeping the anything by on the classes , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (SBAR_0 (WHADVP_0 (WRB_0 where)) (S_1 (NP_0 (NN_2 beak)) (VP_5 (ATVP_4 (VBG_0 sleeping) (NP_5 (DT_0 the) (NN_2 anything))) (PP_2 (IN_0 by) (PP_2 (IN_0 on) (NP_6 (DT_0 the) (NNS_1 classes))))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))