With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In 1870, Wyatt Earp got married.
text_B: Altavista is an incorporated town in Campbell County , Virginia , United States .. United States. United States. Virginia. Virginia. County. List of counties in Virginia. Campbell. Campbell County, Virginia. incorporated town. incorporated town. Campbell County. Campbell County, Virginia. The population was 3,450 at the 2010 census .. 2010 United States Census. 2010 census. 2010 United States Census. It is part of the Lynchburg Metropolitan Statistical Area .. Lynchburg. Lynchburg, Virginia. Metropolitan Statistical Area. Lynchburg metropolitan area
not_related.