With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Robert Zoellick is welcomed by an African Union soldier as he arrives in Northern Darfur region 's administrative capital El Fasher U.S. Deputy Secretary of State Robert Zoellick has called on the Sudanese government to accept responsibility for disarming the Arab militias accused of subjecting civilians to rape and other violence .
text_B: Northern Darfur is a natural entity
not-entailed.