With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Detroit Diesel is an manufacturer that only produces lights.
text_B: Colonel William Kelsey Lanman Jr. , -LRB- October 9 , 1904 - March 27 , 2001 -RRB- was a notable benefactor of Yale University .. Colonel. Colonel ( United States ). benefactor. benefactor ( law ). Yale University. Yale University. He served as an aviator in the United States Marine Corps from 1935 to 1955 , and later took up real estate and investment management .. aviator. Naval aviator. United States Marine Corps. United States Marine Corps. His father , William K. Lanman Sr. , was chairman of the Columbus Bolt Company in Ohio .. William K. Lanman Jr. graduated from Yale University in 1928 -LRB- B.S. from Sheffield Scientific School -RRB- , as had his ancestor United States Senator James Lanman , who graduated from Yale College in 1788 .. Yale College. Yale College. Yale University. Yale University. Sheffield Scientific School. Sheffield Scientific School. United States Senator. United States Senator. James Lanman. James Lanman. Colonel Lanman 's two brothers graduated from Yale College  : Henry Reese Lanman in 1932 , and Jonathan Trumbull Lanman in 1940 and from the Yale School of Medicine in 1943 .. Yale College. Yale College. Colonel. Colonel ( United States ). Jonathan Trumbull Lanman. Jonathan Trumbull Lanman. Yale School of Medicine. Yale School of Medicine. Colonel Lanman was a member of St. Anthony Hall .. Colonel. Colonel ( United States ). St. Anthony Hall. St. Anthony Hall
not_related.