With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The fighting broke out in the Sii-Sii area of Mogadishu Sunday when gunmen linked to an alliance of warlords , the Alliance for Restoration of Peace and Counter Terrorism , opened fire on a vehicle belonging to forces loyal to the country 's Islamic courts .
text_B: Sunday is a day of the week
entailed.