that finger was <apostrophe>s because it wore just ballet .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 that) (NN_2 finger)) (VP_4 (VBD_1 was) (VP_2 (VBZ_0 <apostrophe>s) (SBAR_0 (IN_2 because) (S_1 (NP_0 (PRP_1 it)) (VP_5 (VBD_0 wore) (ADJP_0 (RB_0 just) (JJ_0 ballet)))))))) (DOT_0 .)))