She let back knew n<apostrophe>t out soon .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (ATVP_3 (VB_0 let) (PRT_0 (RP_0 back))) (S_2 (VP_0 (ATVP_4 (ATVP_4 (VBD_0 knew) (RB_1 n<apostrophe>t)) (PRT_0 (RP_0 out))) (ADVP_0 (RB_0 soon)))))) (DOT_0 .)))