With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There were five times that Maria Sharapova held the title of the world No. 1.
text_B: Maria Yuryevna Sharapova -LRB- Мария Юрьевна Шарапова ; born April 19 , 1987 -RRB- is a Russian professional tennis player .. Russian. Russians. tennis. tennis. A United States resident since 1994 , Sharapova has competed on the WTA tour since 2001 .. United States. United States. United States resident. Permanent residence ( United States ). WTA. Women's Tennis Association. She has been ranked world No. 1 in singles by the WTA on five separate occasions , for a total of 21 weeks .. WTA. Women's Tennis Association. world No. 1. List of WTA number 1 ranked players. She is one of ten women , and the only Russian , to hold the career Grand Slam .. Russian. Russians. career Grand Slam. Grand Slam ( tennis )#Career Grand Slam. Grand Slam. Grand Slam ( tennis ). She is also an Olympic medalist , having earned silver for Russia in women 's singles at the 2012 Summer Olympics in London .. 2012 French Open – Women's Singles. Olympic medalist. Olympic medalist. silver. Olympic silver medal. 2012 Summer Olympics. 2012 Summer Olympics. Sharapova became the world No. 1 for the first time on August 22 , 2005 , at the age of 18 , and last held the ranking for the fifth time for four weeks from June 11 , 2012 , to July 8 , 2012 .. 2012 French Open – Women's Singles. world No. 1. List of WTA number 1 ranked players. Her 35 singles titles and five Grand Slam titles -- two at the French Open and one each at the Australian Open , Wimbledon , and US Open -- rank third among active players , behind Serena and Venus Williams .. Grand Slam. Grand Slam ( tennis ). French Open. French Open. Australian Open. Australian Open. Wimbledon. The Championships, Wimbledon. US Open. US Open ( tennis ). Serena. Serena Williams. Venus Williams. Venus Williams. She won the year-ending WTA Finals in her debut in 2004 .. 2004 US Open – Mixed Doubles. WTA. Women's Tennis Association. WTA Finals. WTA Finals. She has also won three doubles titles .. Despite an injury-prone career , Sharapova has achieved a rare level of longevity in the women 's game .. She won at least one singles title a year from 2003 until 2015 , a streak only bested by Steffi Graf , Martina Navratilova , and Chris Evert .. 2003 US Open – Women's Doubles. Steffi Graf. Steffi Graf. Martina Navratilova. Martina Navratilova. Chris Evert. Chris Evert. Several tennis pundits and former players have called Sharapova one of tennis 's best competitors , with John McEnroe calling her one of the best the sport has ever seen .. tennis. tennis. John McEnroe. John McEnroe. Sharapova has been featured in a number of modeling assignments , including a feature in the Sports Illustrated Swimsuit Issue .. Sports Illustrated Swimsuit Issue. Sports Illustrated Swimsuit Issue. She appeared in many advertisements , including those for Nike , Prince , and Canon , being the face of several fashion houses , most notably Cole Haan .. Cole Haan. Cole Haan. Since February 2007 , she has been a United Nations Development Programme Goodwill Ambassador , concerned specifically with the Chernobyl Recovery and Development Programme .. United Nations Development Programme Goodwill Ambassador. UNDP Goodwill Ambassador. Chernobyl Recovery and Development Programme. Chernobyl Recovery and Development Programme. In June 2011 , she was named one of the `` 30 Legends of Women 's Tennis  : Past , Present and Future '' by Time and in March 2012 was named one of the `` 100 Greatest of All Time '' by Tennis Channel .. 2012 French Open – Women's Singles. Time. Time ( magazine ). 100 Greatest of All Time. 100 Greatest of All Time. Tennis Channel. Tennis Channel. According to Forbes , she has been named highest paid female athlete in the world for 11 consecutive years and earned 285 million including prize money since she turned pro in 2001 .. Forbes. Forbes. In March 2016 , Sharapova revealed she had failed a drug test at the 2016 Australian Open on January 26 , 2016 .. Australian Open. Australian Open. drug test. drug test. 2016 Australian Open. 2016 Australian Open. She had tested positive for meldonium , a substance that had been banned , effective January 1 , 2016 by the World Anti-Doping Agency -LRB- WADA -RRB- .. meldonium. meldonium. World Anti-Doping Agency. World Anti-Doping Agency. On June 8 , 2016 , she was suspended from playing tennis for two years by the International Tennis Federation -LRB- ITF -RRB- .. tennis. tennis. International Tennis Federation. International Tennis Federation. On October 4 , 2016 , the suspension was reduced to 15 months , starting from the date of the failed test .. She returned to the WTA tour on April 26 , 2017 at the Porsche Tennis Grand Prix .. WTA. Women's Tennis Association. Porsche Tennis Grand Prix. 2017 Porsche Tennis Grand Prix
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