With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Thewlis' birthday is July 20.
text_B: Camp Evans Historic District is an area of the Camp Evans Formerly Used Defense Site in Wall Township , New Jersey .. Formerly Used Defense Site. Formerly Used Defense Site. The site of the military installation is noted for a 1914 transatlantic radio receiver and various World War II / Cold War laboratories of the United States Army -LRB- e.g. , signal , vacuum tube , dosimetry , & photo-optics -RRB- .. World War II. World War II. Cold War. Cold War. United States Army. United States Army. dosimetry. dosimetry. From 1925 to 1935 the site was the headquarters for the New Jersey Ku Klux Klan .. Ku Klux Klan. Ku Klux Klan
not_related.