With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Adolf Dassler is the younger brother of the mayor of Puma.
text_B: Adolf `` Adi '' Dassler -LRB- 3 November 1900 -- 6 September 1978 -RRB- was the founder of the German sportswear company Adidas , and the younger brother of Rudolf Dassler , founder of Puma .. Adidas. Adidas. Rudolf Dassler. Rudolf Dassler. Puma. Puma SE
related.