to classes stepping in the group at the Quechua , Noah did Quechua .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (TO_0 to) (NP_2 (NP_4 (NNS_1 classes)) (VP_2 (VBG_0 stepping) (PP_2 (IN_0 in) (NP_3 (NP_5 (DT_0 the) (NN_2 group)) (PP_0 (IN_1 at) (NP_2 (DT_0 the) (NNP_1 Quechua)))))))) (COMMA_0 ,)) (NP_0 (NNP_0 Noah))) (VP_3 (VBD_0 did) (NP_3 (NNP_1 Quechua)))) (DOT_0 .)))