With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John McCain campaigned in the 55th quadrennial presidential election.
text_B: The Scottish Rugby Academy , for sponsorship reasons the BT Sport Academy , is a national academy structure designed to give Scotland 's young rugby stars a pathway into the professional game .. Scotland. Scotland. BT Sport. BT Sport. The Academy structure is based on 4 regional academies geographically based on the traditional districts of Glasgow District .. Glasgow District. Glasgow District ( rugby union ). Edinburgh District , North and Midlands and South .. Edinburgh District. Edinburgh District ( rugby union ). North and Midlands. North and Midlands. South. South of Scotland rugby union team
not_related.