With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jerry Seinfeld specialized in observational comedy.
text_B: Albina Tuzova is a former Soviet female speed skater .. speed skater. speed skating. She won a silver medal at the World Allround Speed Skating Championships for Women in 1961 , and a bronze medal in 1962 .. Allround. World Allround Speed Skating Championships for Women. World Allround Speed Skating Championships for Women. World Allround Speed Skating Championships for Women
not_related.