With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Adolf Dassler was the founder of the German sportswear company Adidas.
text_B: George William Frederick Brudenell-Bruce , 2nd Marquess of Ailesbury -LRB- 20 November 1804 -- 6 January 1878 -RRB- , styled Lord Bruce between 1814 and 1821 and Earl Bruce between 1821 and 1856 , was a British peer , Liberal politician and courtier .. Liberal. Liberal Party ( UK )
not_related.