With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Al Qaeda has had anthrax , the raw seed product in its unweaponized form , since at least 1997 , when it was purchased by Bin Laden through the Moro Islamic Liberation Front ( `` Moro Front `` or `` MILF `` ) .
text_B: The purchasing did not happen
not-entailed.