With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Battle Studies World Tour was John Mayer's tour.
text_B: Brian Maurice Bennett -LRB- born 1 April 1948 -RRB- is a British diplomat .. British. United Kingdom. diplomat. diplomat. From 2003 to 2007 , he was the Ambassador to Belarus .. Ambassador to Belarus. Ambassadors from the United Kingdom to Belarus. Bennett entered the Foreign and Commonwealth Office in 1971 .. Foreign and Commonwealth Office. Foreign and Commonwealth Office. After two years as a desk officer , he received his first foreign posting , as an information secretary at the British embassy to Czechoslovakia , where he served until 1976 , when he was transferred back to London to serve in the FCO 's personnel department .. British. United Kingdom. Czechoslovakia. Czechoslovakia. After further stints at the British embassies to Finland and Barbados , he served as first secretary in the British delegation at the Mutual and Balanced Force Reductions talks in Vienna and in the British embassy in the Netherlands .. British. United Kingdom. Finland. Finland. Barbados. Barbados. Mutual and Balanced Force Reductions. Mutual and Balanced Force Reductions. Vienna. Vienna. Netherlands. Netherlands. In 1992 , Bennett returned to Whitehall as a desk officer .. Whitehall. Whitehall. In 1997 , he received another foreign posting , this time as Deputy Head of Mission in Tunis , where he served until 2000 .. Deputy Head of Mission in Tunis. List of Ambassadors of the United Kingdom to Tunisia. After another position in the FCO 's personnel department , in 2003 , Bennett was appointed to head his first diplomatic mission , in Belarus and is now succeeded by Nigel Gould-Davies .. diplomatic mission. diplomatic mission
not_related.