She knew back teach to find crumpled on the lisp .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (ATVP_1 (VBD_0 knew) (RB_1 back)) (VP_1 (VB_0 teach) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 find) (VP_2 (VBN_0 crumpled) (PP_0 (IN_1 on) (NP_5 (DT_0 the) (NN_2 lisp)))))))))) (DOT_0 .)))