When you pushed in your fingers , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (SBAR_0 (WHADVP_0 (WRB_0 When)) (S_1 (NP_0 (PRP_1 you)) (VP_5 (VBD_2 pushed) (PP_2 (IN_0 in) (NP_3 (PRPDOLLAR_0 your) (NNS_0 fingers)))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))