With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: A British court ruled earlier this year that Mr. Ahmad should be extradited after the United States promised he would not be labeled an `` enemy combatant `` and imprisoned in the U.S. naval base on Guantanamo Bay , Cuba .
text_B: Cuba is a natural entity
not-entailed.