With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The vice president of an investigative panel looking into the matter , Sarah Ludford , said Thursday U.S. Defense Secretary Donald Rumsfeld , British Foreign Secretary Jack Straw and other foreign and defense ministers could be invited to appear before the panel .
text_B: Jack is an artefact
not-entailed.