With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: In a statement issued June 16 , 2004 , the 9/11 Commission Staff concluded that `` Al Qaeda had an ambitious biological weapons program and was making advances in its ability to produce anthrax prior to September 11 .
text_B: The having did not happen
not-entailed.