With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: ( Mullah Omar is leader of the Taliban , Usmani is the former corps commander of Kandahar under the Taliban regime and now a commander of Taliban forces while Hikmetyar heads the extremist Hizb - e - Islami . )
text_B: The heading happened
entailed.