With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The attacks took place in spite of heavy security in the Iraqi capital , where tens of thousands of worshippers had gathered for ceremonies marking the death of Imam Moussa al-Kadhim , the seventh of 12 revered Imams in Shi'ite Islam .
text_B: Imam Moussa al-Kadhim is an event
not-entailed.