Quechua It why to was back let .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (NNP_1 Quechua)) (SBAR_0 (S_2 (NP_1 (PRP_0 It)) (VP_2 (VBN_0 why) (S_2 (VP_0 (TO_0 to))))))) (VP_4 (ATVP_1 (VBD_1 was) (RB_1 back)) (VP_1 (VB_0 let)))) (DOT_0 .)))