With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tom Hardy has appeared in at least three films directed by Christopher Nolan.
text_B: The Barnum Hotel in Medford in the U.S. state of Oregon is a building from 1914 .. Medford. Medford, Oregon. U.S. state. U.S. state. Oregon. Oregon. It was designed by Frank Chamberlain Clark .. Frank Chamberlain Clark. Frank Chamberlain Clark. It was listed on the National Register of Historic Places in 1984 .. National Register of Historic Places. National Register of Historic Places
not_related.