With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: However , he stressed that Serb authorities must continue to work toward arresting and transferring all indicted war crimes suspects , especially , Radovan Karadzic and Ratko Mladic , to The Hague war crimes tribunal .
text_B: Serb is a geographical/political entity
entailed.