her slid since it unmistakably gone .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 her)) (VP_4 (VBD_0 slid) (SBAR_0 (IN_2 since) (S_1 (NP_0 (PRP_1 it)) (VP_5 (ADVP_0 (RB_0 unmistakably)) (VBN_0 gone)))))) (DOT_0 .)))