With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Demon Days is stolen by Gorillaz.
text_B: Gregory Lekhtman -LRB- born 1946 in Moscow , USSR -RRB- is a Canadian inventor and entrepreneur , who created and markets the Exerloper system of exercise boots .. Moscow. Moscow. USSR. USSR. Canadian. Canadians. boots. boots. He immigrated to Canada in 1974 , and resides in Montreal .. Montreal. Montreal. Lekhtman was romantically involved with Kim Campbell during her term as Prime Minister of Canada .. Kim Campbell. Kim Campbell. Prime Minister of Canada. Prime Minister of Canada. They kept their relationship relatively private , and Lekhtman did not participate in the 1993 election campaign .. 1993 election campaign. Canadian federal election, 1993. Campbell first spoke publicly about their relationship in her 1996 autobiography Time and Chance , most notably revealing that she had spent the day of September 4 , 1993 -- the Saturday before she issued the writ of election -- frolicking with Lekhtman and other friends in Exerlopers on the lawn at Harrington Lake .. Time and Chance. Time and Chance ( book ). writ of election. writ of election. Harrington Lake. Harrington Lake. In Peter C. Newman 's book The Secret Mulroney Tapes , Campbell 's predecessor Brian Mulroney claims that Campbell was a `` very vain person who blew the 1993 election because she was too busy screwing around with her Russian boyfriend '' to conduct a proper campaign .. Peter C. Newman. Peter C. Newman. The Secret Mulroney Tapes. The Secret Mulroney Tapes. Brian Mulroney. Brian Mulroney
not_related.