With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: 24 aired 8 seasons totaling 192 episodes.
text_B: The 2007 ATP Buenos Aires was a professional men 's tennis tournament that was played on outdoor clay courts at the Buenos Aires Lawn Tennis Club in Buenos Aires , Argentina .. Buenos Aires. Buenos Aires. Argentina. Argentina. Buenos Aires Lawn Tennis Club. Buenos Aires Lawn Tennis Club. ATP Buenos Aires. ATP Buenos Aires. tennis. tennis. outdoor clay courts. Clay court. It was part of the International Series on the 2007 ATP Tour and was held from February 19 to February 26 .. International Series. ATP International Series. 2007 ATP Tour. 2007 ATP Tour. This was the fourth tournament of the season -LRB- alongside Adelaide , Vina del Mar , Delray Beach and Las Vegas -RRB- that implemented a 24-player Round Robin tournament for the singles competition , as part of the round-robin trials proposed during this season .. Adelaide. 2007 Next Generation Adelaide International. Vina del Mar. 2007 Movistar Open. Delray Beach. 2007 Delray Beach International Tennis Championships. Las Vegas. 2007 Tennis Channel Open and the Mirage Cup. round-robin trials. 2007 ATP Tour#Round-robin trial
not_related.