Question: Are Jim Pugh and Laura Siegemund both professional tennis players?

full_context: Document 1: Garbiñe Muguruza: Garbiñe Muguruza Blanco (] ; born 8 October 1993) is a Spanish-Venezuelan tennis player who is currently ranked world No. 1 in singles by the Women's Tennis Association (WTA). Since turning professional in 2012, she has won five singles titles, including two majors at the 2016 French Open and the 2017 Wimbledon Championships.
Document 2: Jim Grabb: Jim Grabb (born April 14, 1964) is an American former professional tennis player. He was ranked the World No. 1 doubles player in 1989 and in 1993. Grabb's best singles ranking was World No. 24, a ranking he achieved in February 1990.
Document 3: Laura Siegemund: Laura Natalie Siegemund (born 4 March 1988 in Filderstadt) is a German professional tennis player.
Document 4: Robert Seguso: Robert Arthur Seguso (born May 1, 1963) is a former professional tennis player from the United States. A doubles specialist, he won four Grand Slam men's doubles titles (two Wimbledon, one French Open and one US Open). He also won the men's doubles Gold Medal at the 1988 Olympic Games in Seoul, partnering Ken Flach. Seguso reached the World No. 1 doubles ranking in 1985. He won a total of 29 career doubles titles between 1984 and 1991.
Document 5: Jamie Murray career statistics: Jamie Murray is a professional tennis player who is the current British number one doubles player. He has reached eight grand slam finals in total: (4 Doubles, 4 Mixed), he has won the mixed doubles at the 2007 Wimbledon Championships, 2017 Wimbledon Championships and 2017 US Open, and the men's doubles at the 2016 Australian Open and 2016 US Open, and has finished as runner-up in the men's doubles tournament at the 2015 Wimbledon Championships and 2015 US Open and in mixed doubles at the 2008 US Open. Murray has been ranked as high as World No. 1 in the ATP doubles rankings, and was the first Britain to be ranked as world number one since the introduction of computerised world rankings in the 1970s. He is currently ranked at world No. 5.
Document 6: Anna-Lena Grönefeld: Anna-Lena Grönefeld (born 4 June 1985) is a German tennis player. She turned professional in April 2003.
Document 7: Pam Teeguarden: Pam Teeguarden (born April 17, 1951) is a former American professional tennis player in the 1970s and 1980s, ranked in the top 20 from 1970–1975, according to "John Dolan's Women's Tennis Ultimate Guide", prior to computer rankings. She won two Grand Slam Doubles Titles and was a quarter finalist in singles at the U.S. Open and The French Open. Her father Jerry, a well known coach, helped Margaret Court win the coveted Grand Slam (all four Grand Slam titles in one year) in 1970 and Virginia Wade to her 1977 Wimbledon triumph. Teeguarden was voted the "Most Watchable Player" based on play and appearance by a group of Madison Avenue advertising executives or "Mad Men" while playing at the US Open. Teeguarden played in 19 consecutive US Opens, holding the record until Chris Evert played in 20. She wore the first all black outfit in the history of tennis in 1975 at The Bridgestone Doubles Championships in Tokyo, starting a trend that is still popular today. Teeguarden was the first woman tennis player signed by Nike. She played on the victorious Los Angeles Strings Team Tennis team in 1981 and won the Team Tennis Mixed Doubles Division with Tom Gullikson in 1977; they were also runners-up in the league that year.
Document 8: Jim Courier: James Spencer Courier Jr. (born August 17, 1970) is an American former World No. 1 professional tennis player. During his career, he won four Grand Slam singles titles, two at the French Open and two at the Australian Open. He holds the record for being the youngest man to have reached the finals of all four Grand Slam singles tournaments, at the age of 22 years and 11 months. He also won five Masters 1000 series titles. Until Novak Djokovic in 2016, Courier was the last man to win both the Australian and French Opens in the same calendar year.
Document 9: Lucie Šafářová: Lucie Šafářová (] ; born 4 February 1987) is a Czech professional tennis player from Brno. She is currently the WTA world No. 1 doubles player. Šafářová has won seven WTA tour singles titles, fifteen doubles titles and reached the quarterfinals of the 2007 Australian Open by upsetting defending champion Amélie Mauresmo in the fourth round. She reached her first Grand Slam semifinal at the 2014 Wimbledon Championships and her first Grand Slam final at the 2015 French Open. She also won the 2015 Australian Open, 2015 French Open, 2016 US Open, 2017 Australian Open and 2017 French Open women's doubles titles partnering with Bethanie Mattek-Sands.
Document 10: Rick Leach: Rick Leach (born December 28, 1964) is a former professional tennis player and a coach from the United States. A doubles specialist, he won five Grand Slam men's doubles titles (three Australian Open, one Wimbledon, one US Open), and four Grand Slam mixed doubles titles (two Australian Open, one Wimbledon, one US Open). Leach reached the World No. 1 doubles ranking in 1990.
Document 11: Ken Flach: Kenneth Eliot Flach (born May 24, 1963) is a former professional tennis player from the United States. A doubles specialist, he won 4 Grand Slam men's doubles titles (2 Wimbledon and 2 US Open), and 2 Grand Slam mixed doubles titles (1 Wimbledon and 1 French Open). He also won the men's doubles Gold Medal at the 1988 Olympic Games in Seoul, partnering Robert Seguso. Flach reached the World No. 1 doubles ranking in 1985.
Document 12: Li Na: Li Na (; ; born 26 February 1982) is a retired Chinese professional tennis player, who achieved a career-high WTA-ranking of world No. 2 on 17 February 2014. Over the course of her career, Li won seven WTA singles titles and two Grand Slam singles titles at the 2011 French Open and 2014 Australian Open. Li's rise to prominence came after those victories, which made her the first and only Grand Slam singles champion from East Asia and Asia as a whole. Prior to this, she had already become the first player representing an East Asian and Asian country to appear in a Grand Slam singles final, a milestone she achieved at the 2011 Australian Open. Li was also the runner-up at the 2013 Australian Open and 2013 WTA Tour Championships, a three-time quarterfinalist at Wimbledon and a semifinalist at the 2008 Beijing Olympic Games and 2013 US Open. Among her other most notable accolades, she was the first Chinese player to win a WTA tour title at the Guangzhou International Women's Open in 2004, the first to reach a Grand Slam singles quarterfinal at the 2006 Wimbledon Championships, and the first to break into the world's top 10. Her feats have sparked a major population growth of tennis players in East Asia, earning her the reputation as the region's tennis pioneer and trailblazer.
Document 13: 2017 US Open – Mixed Doubles: Laura Siegemund and Mate Pavić were the defending champions, but Siegemund was unable to compete due to injury. Pavić played alongside Andreja Klepač, but lost to Alicja Rosolska and Santiago González in the first round.
Document 14: Angelique Kerber: Angelique Kerber (] ; born 18 January 1988) is a German professional tennis player and former world No. 1. Having made her professional debut in 2003, Kerber rose to prominence upon reaching the semifinals of the 2011 US Open as the no. 92 ranked player in the world. She ascended to the top of the rankings on 12 September 2016, thus becoming the twenty-second and oldest player to achieve the number one ranking for the first time and the first new number one player since Victoria Azarenka in 2012.
Document 15: Jim Pugh: Jim Pugh (born February 5, 1964 in Burbank, California) is a former professional tennis player from the United States. A doubles specialist, he won three Grand Slam men's doubles titles (two Australian Open, one Wimbledon) and five Grand Slam mixed doubles titles (three Australian Open, one Wimbledon, one US Open). Pugh reached the World No. 1 doubles ranking in 1989.
ground_truth: yes