With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: A White House spokesman , Gordon Johndroe , said the tape appears to show bin Laden 's isolation and his efforts to stay relevant `` at a time when al-Qaida 's ideology , mission and agenda are being questioned and challenged throughout the world . ``
text_B: Bin Laden is an event
not-entailed.