With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Billie Jean King is a mayor.
text_B: Costume museum may refer to  :. Costume Museum of Canada. Costume Museum of Canada. Costume Museum of Canada. Costume Museum -LRB- Kastoria -RRB-. Other costume museums  :. Centre National du Costume de Scene , France. Centre National du Costume de Scene. Centre National du Costume de Scene. Devonshire Collection of Period Costume , England. Devonshire Collection of Period Costume. Devonshire Collection of Period Costume. Korea Museum of Modern Costume. Korea Museum of Modern Costume. Korea Museum of Modern Costume. Museum of Ayrshire Country Life and Costume , Scotland. Museum of Ayrshire Country Life and Costume. Dalgarven Mill – Museum of Ayrshire Country Life and Costume. Museum of the History of the Greek Costume , Greece. Museum of the History of the Greek Costume. Museum of the History of the Greek Costume. National Museum of Costume , Scotland. National Museum of Costume. National Museum of Costume. National Museum of Costume and Fashion , Portugal. National Museum of Costume. National Museum of Costume. National Museum of Costume and Fashion. National Museum of Costume and Fashion
not_related.