She would teach able refer the back songs to streaming .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (MD_0 would) (VP_1 (VB_0 teach) (ADJP_0 (JJ_0 able) (S_2 (VP_0 (ATVP_4 (VBP_0 refer) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 back)) (NNS_1 songs))) (PP_2 (TO_0 to) (NP_2 (NN_3 streaming))))))))) (DOT_0 .)))