She heard who her to let been to Quechua classes .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (VBD_0 heard) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (NP_1 (PRP_0 her)) (VP_0 (TO_0 to) (VP_1 (VB_0 let) (VP_2 (VBN_0 been) (PP_2 (TO_0 to) (NP_3 (NNP_1 Quechua) (NNS_1 classes)))))))))) (DOT_0 .)))