With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: On August 9 , 2004 , it was announced that in the Spring of 2001 , a man named El - Shukrijumah , also known as Jafar the Pilot , who was part of a `` second wave , `` had been casing New York City helicopters .
text_B: The knowing did not happen
not-entailed.