With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Oakland, California is the third alphabetical city in the San Francisco Bay Area.
text_B: Harkness may refer to  :. Harkness -LRB- surname -RRB-. The Harkness Ballet. Harkness Ballet. Harkness Ballet. Harkness Fellowship , an international health policy fellowship. Harkness Fellowship. Harkness Fellowship. Harkness Memorial State Park , a 230-acre park and mansion in Waterford , Connecticut. Harkness Memorial State Park. Harkness Memorial State Park. Harkness rating system , a chess rating system used from 1950 to 1960 .. Harkness rating system. Harkness rating system. Harkness table , a style of teaching. Harkness table. Harkness table. Harkness Tower , a Gothic structure at Yale University. Harkness Tower. Harkness Tower. Rosa ` Anne Harkness ' , a rose variety
not_related.