With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Quebec has a region inhabited primarily by Aboriginal peoples.
text_B: The 2010 Copa Telmex was a men 's tennis tournament played on outdoor clay courts .. tennis. tennis. Copa Telmex. ATP Buenos Aires. It was the 13th edition of the Copa Telmex , and was part of the ATP World Tour 250 series of the 2010 ATP World Tour .. ATP World Tour 250 series. ATP World Tour 250 series. Copa Telmex. ATP Buenos Aires. 2010 ATP World Tour. 2010 ATP World Tour. It took place in Buenos Aires , Argentina , from February 15 through February 21 , 2010 .. Buenos Aires. Buenos Aires. Argentina. Argentina. Juan Carlos Ferrero won the singles title .. Juan Carlos Ferrero. Juan Carlos Ferrero. The singles line up was led by 2007 Copa Telmex champion and 2009 Copa Telmex runner-up Juan Monaco , David Ferrer , Nicolas Almagro and Juan Carlos Ferrero .. Juan Carlos Ferrero. Juan Carlos Ferrero. Copa Telmex. ATP Buenos Aires. 2007 Copa Telmex. 2007 ATP Buenos Aires. 2009 Copa Telmex. 2009 Copa Telmex. Juan Monaco. Juan Monaco. David Ferrer. David Ferrer. Nicolas Almagro. Nicolas Almagro. other players were 2008 champion David Nalbandian , Richard Gasquet , Igor Andreev , Albert Montanes .. 2008 champion. 2008 Copa Telmex. David Nalbandian. David Nalbandian. Richard Gasquet. Richard Gasquet. Igor Andreev. Igor Andreev. Albert Montanes. Albert Montanes
not_related.