With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: After briefing the U.N. Security Council , the U.N. undersecretary-general for peacekeeping , Jean-Marie Guehenno , told reporters Wednesday the situation appears now to be improving , but is still fragile .
text_B: Wednesday is a day of the week
entailed.