With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Seattle has been a technology center since the latter half of the 20th century.
text_B: De Kalb -LRB- -LSB- dᵻ ˈkæb -RSB- -RRB- is a city in Bowie County , Texas , United States .. United States. United States. Texas. Texas. County. List of counties in Texas. Bowie. Bowie County, Texas. Bowie County. Bowie County, Texas. The population was 1,699 at the 2010 census .. It is part of the Texarkana , Texas -- Texarkana , Arkansas Metropolitan Statistical Area .. Texas. Texas. Metropolitan Statistical Area. Texarkana metropolitan area. Its two area codes are 430 and 903 .. Area code 903. Its ZIP code is 75559 .. ZIP code. ZIP code. It is in the Central Time Zone .. Central Time Zone. Central Time Zone
not_related.