Quechua , silly ballet boulders and knit perch mumbled then used shifted for the heavy yawn over the classes .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_1 (ATNP_0 (ATNP_2 (ATNP_0 (ATNP_0 (ATNP_0 (NP_6 (NNP_1 Quechua)) (COMMA_0 ,)) (JJ_0 silly)) (JJ_0 ballet)) (NP_3 (NNS_1 boulders))) (CC_0 and)) (NN_0 knit)) (NN_0 perch)) (VP_4 (VBD_2 mumbled) (S_2 (VP_0 (ATVP_0 (ADVP_0 (RB_0 then)) (VBD_2 used)) (VP_2 (VBN_0 shifted) (PP_2 (IN_0 for) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 heavy)) (NN_1 yawn)) (PP_0 (IN_1 over) (NP_2 (DT_0 the) (NNS_1 classes)))))))))) (DOT_0 .)))