With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The official said these sites could only be visited by a special team of U.N. monitors and diplomats as laid down by the Feb. 23 accord signed by U.N. Secretary - General Kofi Annan and Iraqi Deputy Prime Minister Tariq Aziz .
text_B: The saying did not happen
not-entailed.