With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: A spokesman for the Taliban in Pakistan is quoted Saturday as denying a U.S. media report that Osama bin Laden 's chief deputy , Ayman al-Zawahiri , has been killed or wounded .
text_B: Ayman al-Zawahiri is an artefact
not-entailed.