With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Barack Obama was elected to the Senate in a landslide victory.
text_B: Villa North Historic District is a national historic district located at Bluffton , Wells County , Indiana .. historic district. historic district ( United States ). Bluffton. Bluffton, Indiana. The district encompasses 24 contributing buildings in an exclusively residential section of Bluffton .. Bluffton. Bluffton, Indiana. It developed between about 1891 and 1915 and includes representative examples of Queen Anne , Colonial Revival , and Bungalow  /  American Craftsman style architecture .. Queen Anne. Queen Anne style architecture. Colonial Revival. Colonial Revival architecture. Bungalow. Bungalow. American Craftsman. American Craftsman. Notable contributing houses include the Lent Williamson Residence -LRB- Longfields , 1891 -RRB- , Amos King Residence -LRB- 1894 -RRB- , Peter Beeler Residence -LRB- 1899 -RRB- , and Wiley Messick Residence -LRB- c. 1915 -RRB- .. It was listed on the National Register of Historic Places in 1985 .. National Register of Historic Places. National Register of Historic Places
not_related.