With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rob Lowe was in the cast of a political drama.
text_B: Pontotoc County is in the south central part of Oklahoma .. Oklahoma. Oklahoma. As of the 2010 census , the population was 37,492 .. 2010 census. 2010 United States Census. Its county seat is Ada .. county seat. county seat. Ada. Ada, Oklahoma. The county was created at statehood from part of the Chickasaw Nation in Indian Territory .. Indian Territory. Indian Territory. It was named for a historic Chickasaw tribal area in Mississippi .. According to the Encyclopedia of Oklahoma History and Culture , Pontotoc is usually translated `` cattail prairie '' or `` land of hanging grapes . ''. Oklahoma. Oklahoma. Pontotoc County comprises the Ada , OK Micropolitan Statistical Area .. Ada. Ada, Oklahoma. Micropolitan Statistical Area. Micropolitan Statistical Area. The Chickasaw Nation 's headquarters are in Ada .. Ada. Ada, Oklahoma
not_related.