With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Steven Tyler is the lead drummer of a Boston-based jazz band.
text_B: Dayton is a city in Webster County , Iowa , United States .. County. List of counties in Iowa. Webster. Webster County, Iowa. Webster County. Webster County, Iowa. Iowa. Iowa. United States. United States. The population was 837 at the 2010 census .. 2010 United States Census
not_related.