With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Kmart has stores in operation in Canada.
text_B: The 2010 Carisap Tennis Cup was a professional tennis tournament played on outdoor red clay courts .. Carisap Tennis Cup. ATP Challenger San Benedetto. tennis. tennis. outdoor red clay courts. Clay court. This was the sixth edition of the tournament which is part of the 2010 ATP Challenger Tour .. 2010 ATP Challenger Tour. 2010 ATP Challenger Tour. It took place in San Benedetto , Italy between 5 July and 11 July 2010 .. San Benedetto. San Benedetto del Tronto. Italy. Italy
not_related.