With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Iraqi Prime Minister Ibrahim al-Jaafari toured the embattled city of Tal Afar Monday , where Iraqi forces backed by U.S. troops are trying to drive insurgents from their northern stronghold .
text_B: Al-Jaafari is a day of the week
not-entailed.