With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rafael Nadal won the Olympic gold medal in singles.
text_B: Rafael `` Rafa '' Nadal Parera -LRB- -LSB- rəfəˈɛɫ nəˈðaɫ pəˈɾeɾə -RSB- , -LSB- rafaˈel naˈðal paˈɾeɾa -RSB- ; born 3 June 1986 -RRB- is a Spanish professional tennis player .. tennis. tennis. He is widely regarded as the greatest clay-court player in history , and owing to his dominance and success on the surface , he has been called `` The King of Clay '' .. clay-court. clay court. His evolution into an all-court threat has established him as one of the greatest players in tennis history , with some considering Nadal to be the greatest male player of all time .. tennis. tennis. Nadal has won 14 Grand Slam singles titles , the 2008 Olympic gold medal in singles , an all-time record of 30 ATP World Tour Masters 1000 titles , tied with Novak Djokovic , and a record 18 ATP World Tour 500 tournaments .. 2008 Davis Cup. Grand Slam singles titles. List of Grand Slam men's singles champions. 2008 Olympic gold medal in singles. Tennis at the 2008 Summer Olympics – Men's singles. ATP World Tour Masters 1000. ATP World Tour Masters 1000. Novak Djokovic. Novak Djokovic. ATP World Tour 500. ATP World Tour 500. He was also a member of the winning Spain Davis Cup team in 2004 , 2008 , 2009 , and 2011 .. 2009 Davis Cup. 2008 Davis Cup. 2011 Davis Cup. 2004 Davis Cup. Spain Davis Cup team. Spain Davis Cup team. In 2010 , he became the seventh male player in history and youngest of four in the Open Era to achieve the Career Grand Slam at age 24 .. 2010 ATP World Tour Finals – Singles. Open Era. Open Era. Career Grand Slam. List of Grand Slam men's singles champions#Winners of the Career Grand Slam. He is the second male player , after Andre Agassi , to complete the singles Career Golden Slam .. Andre Agassi. Andre Agassi. Career Golden Slam. Grand Slam ( tennis )#Career Golden Slam. In 2011 , Nadal was named the Laureus World Sportsman of the Year .. 2011 Davis Cup. Laureus World Sportsman of the Year. Laureus World Sports Award for Sportsman of the Year. The left-hander is the sixth player in the Open Era to reach more than 100 finals on the ATP World Tour .. Open Era. Open Era. Nadal and Mats Wilander are the only two male players who have won at least two Grand Slam titles on three different surfaces -- hard court , grass , and clay .. Mats Wilander. Mats Wilander. By winning the 2014 French Open , Nadal became the third player to win a single Grand Slam tournament nine times -LRB- Martina Navratilova 9 , Margaret Court 11 -RRB- and the first male to win at least one Grand Slam tournament for ten consecutive years , breaking the record of eight consecutive years previously shared by Bjorn Borg , Pete Sampras , and Roger Federer .. 2014 French Open – Men's Singles. 2014 French Open. 2014 French Open. Bjorn Borg. Bjorn Borg. Pete Sampras. Pete Sampras. Roger Federer. Roger Federer. By winning the Monte-Carlo Masters in 2012 , Nadal became the only male player in the open era to win a tournament eight consecutive times .. 2012 French Open – Men's Singles. Monte-Carlo Masters. Monte-Carlo Masters. Nadal is the only male player in tennis history to win one Grand Slam and at least one Masters 1000 title for ten consecutive years from 2005 -- 2014 .. 2005 Wimbledon Championships – Men's Doubles. 2014 French Open – Men's Singles. tennis. tennis. He beat Guillermo Vilas 's Open Era record of 49 clay-court titles by winning the Monte-Carlo Masters in 2017 .. clay-court. clay court. Open Era. Open Era. Monte-Carlo Masters. Monte-Carlo Masters. Guillermo Vilas. Guillermo Vilas. Nadal became the first man to win the same tournament 10 times by wining the Monte-Carlo Masters in 2017 .. Monte-Carlo Masters. Monte-Carlo Masters. He repeated this historic achievement by winning the Barcelona Open Banco Sabadell for a 10th time just a few weeks later .. Barcelona Open Banco Sabadell. Barcelona Open Banco Sabadell
related.