With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Xbox One is not made by Microsoft.
text_B: The Blanche K. Bruce House is a historic house at 909 M Street NW in Washington , D.C. .. Blanche K. Bruce. Blanche Bruce. Built in 1865 , it was a home of slave-born Blanche K. Bruce -LRB- 1 March 1841 -- 17 March 1898 -RRB- , who was the first African-American to serve a full term in the U.S. Senate .. Blanche K. Bruce. Blanche Bruce. It was declared a National Historic Landmark in 1975 .. National Historic Landmark. National Historic Landmark
not_related.