onto a classes , he was rising the egg .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 onto) (NP_6 (DT_0 a) (NNS_1 classes))) (COMMA_0 ,)) (NP_0 (PRP_1 he))) (VP_3 (VBD_1 was) (VP_2 (VBG_0 rising) (NP_5 (DT_0 the) (NN_2 egg))))) (DOT_0 .)))