She could finally used that to know missing .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (MD_0 could) (VP_1 (ATVP_0 (ADVP_0 (RB_0 finally)) (VBD_2 used)) (SBAR_0 (WHNP_0 (WDT_0 that)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 know) (ADJP_0 (JJ_0 missing))))))))) (DOT_0 .)))