With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ronald Reagan was a president.
text_B: Vestavia Hills is a city in Jefferson and Shelby counties in the State of Alabama .. Alabama. Alabama. State. U.S. state. Jefferson. Jefferson County, Alabama. Shelby. Shelby County, Alabama. It is an affluent suburb of the city of Birmingham .. Birmingham. Birmingham, Alabama. As of the 2010 census , its population was 34,033 , up from 24,476 in 2000 .. 2010 census. 2010 United States Census. It moved up from the fifth largest city in Jefferson County in 2000 to the third largest in 2010 , behind Birmingham and Hoover .. Jefferson County. Jefferson County, Alabama. Jefferson. Jefferson County, Alabama. Birmingham. Birmingham, Alabama. Hoover. Hoover, Alabama
not_related.