They come off from Quechua cows , but one knees did out silly .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (S_1 (NP_1 (PRP_0 They)) (VP_5 (ATVP_4 (VB_0 come) (PP_1 (IN_1 off))) (PP_2 (IN_0 from) (NP_3 (NNP_1 Quechua) (NNS_1 cows))))) (COMMA_0 ,)) (CC_0 but)) (S_1 (NP_0 (CD_0 one) (NNS_0 knees)) (VP_5 (VBD_0 did) (ADJP_0 (RB_0 out) (JJ_0 silly))))) (DOT_0 .)))