With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Nile runs through Kenya.
text_B: The Great Plains Correctional Institution is a medium-security private prison for men , located in Hinton , Caddo County , Oklahoma , owned and operated by the GEO Group under contract with the Federal Bureau of Prisons .. GEO Group. GEO Group. Hinton. Hinton, Oklahoma. Federal Bureau of Prisons. Federal Bureau of Prisons. The facility has a maximum capacity of 1940 , at medium security .
not_related.