With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Istanbul was founded without a name.
text_B: David Laurence MacLaren , -LRB- October 27 , 1893 -- September 7 , 1960 -RRB- was a Canadian politician and the 20th Lieutenant Governor of New Brunswick .. Canadian. Canada. 20th. List of lieutenant governors of New Brunswick#Lieutenant Governors of New Brunswick, 1867-present. Lieutenant Governor of New Brunswick. Lieutenant Governor of New Brunswick. Born in Saint John , New Brunswick , he was appointed Minister of National Revenue in April 1945 in the Liberal cabinet of Mackenzie King .. Liberal. Liberal Party of Canada. Minister of National Revenue. List of Canadian Ministers of National Revenue. Mackenzie King. Mackenzie King. He was defeated in the 1945 election in the riding of St. John -- Albert .. 1945 election. Canadian federal election, 1945. From 1945 until 1958 , he was the Lieutenant-Governor of New Brunswick .
not_related.