With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Detroit was founded by French explorer Antoine de la Mothe Cadillac.
text_B: Oak Ridge High School is the public high school for Oak Ridge , Tennessee , enrolling grades 9 through 12 .. Oak Ridge. Oak Ridge, Tennessee. Tennessee. Tennessee. high school. high school. It was established in 1943 to educate the children of Manhattan Project workers .. Manhattan Project. Manhattan Project
not_related.