With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Emma Roberts's birth year is 1991.
text_B: Elkhorn is a neighborhood on the western edge of the city of Omaha , Nebraska , United States .. United States. United States. Nebraska. Nebraska. Omaha. Omaha, Nebraska. The population was 6,062 at the 2000 census and was estimated by the Census Bureau at 8,192 in 2005 .. United States Census, 2000. Census Bureau. United States Census Bureau. It was named after the Elkhorn River .. Elkhorn River. Elkhorn River. Elkhorn was once an independent city in Douglas County until it was annexed by Omaha .. County. List of counties in Nebraska. Douglas. Douglas County, Nebraska. Omaha. Omaha, Nebraska. Douglas County. Douglas County, Nebraska
not_related.