Question: Albert Costa and Iva Majoli, have which occupation in common?

full_context: Document 1: 1997 Toray Pan Pacific Open – Singles: Iva Majoli was the defending champion but lost in the quarterfinals to Steffi Graf.
Document 2: Iva Majoli: Iva Majoli Marić (Iva Majoli) (born 12 August 1977) is a former professional tennis player from Croatia. She upset Martina Hingis to win the women's singles title at the French Open in 1997. Majoli also won seven other singles titles and one doubles title during her career. She reached a career-high singles ranking of world No. 4 in February 1996.
Document 3: Roger Federer junior years: Swiss tennis player Roger Federer's main accomplishments as a junior player came at Wimbledon, where, in 1998, he won both the singles tournament over Irakli Labadze, in straight sets, and the doubles with Olivier Rochus, over the team of Michaël Llodra and Andy Ram, also in straight sets. In addition, Federer was a runner-up at the US Open Junior tournament in 1998, losing the final to David Nalbandian. Federer would go on to win four other junior singles tournaments in his career.
Document 4: Tennis in Peru: Luis Horna and Jaime Yzaga are the most famous Peruvian tennis players. Tennis Hall of Famer and Davis Cup and Wimbledon winner Alejandro Olmedo was born in Peru but played for the United States only for Davis Cup. Laura Arraya is a best Peruvian Tennis player in women's. Her brother is Pablo Arraya, a former Peruvian tennis player.
Document 5: Goran Ivanišević: Goran Ivanišević (; born 13 September 1971) is a retired Croatian professional tennis player and current tennis coach. He is the only person to win the men's singles title at Wimbledon as a wildcard. He achieved this in 2001, having previously been runner-up at the championships in 1992, 1994 and 1998. Before the 2001 tournament, he was ranked 125th and after his victory he was 16th. His career-high singles ranking was World No. 2 (behind Pete Sampras) in 1994. He coached Marin Čilić from September 2013 to July 2016, leading Čilić to his biggest achievement to date, the 2014 US Open title.
Document 6: Hana Mandlíková: Hana Mandlíková (born 19 February 1962) is a former professional tennis player from Czechoslovakia who later obtained Australian citizenship. During her career, she won four Grand Slam singles titles: the 1980 Australian Open, 1981 French Open, 1985 US Open, and the 1987 Australian Open. She was also the runner-up at four Grand Slam singles events, including the Wimbledon finals of 1981 and 1986, and won one Grand Slam women's doubles title, the 1989 US Open with Martina Navratilova.
Document 7: Albert Costa: Costa began playing tennis at the age of five. He first came to the tennis world's attention as an outstanding junior player. In 1993, he reached the French Open junior final and won the Orange Bowl. He turned professional later that year and quickly established a reputation as a strong clay court player. Spanish former player and commentator for Spanish television Andrés Gimeno used to call him "the man with two forehands", because he could hit with the same accuracy and strength both forehand and backhand. In 1994, he won two challenger series events and was named the ATP's Newcomer of the Year.
Document 8: 1997 Faber Grand Prix – Singles: Iva Majoli was the defending champion and won in the final 4–6, 7–6, 6–4 against Jana Novotná.
Document 9: Juan Carlos Ferrero: Juan Carlos Ferrero Donat (] ; born 12 February 1980) is a retired professional tennis player, and a former world No. 1 player, from Spain. He captured the men's singles title at the 2003 French Open, and in September of that year, became the 21st player to hold the world No. 1 ranking. He was also the runner-up at the 2002 French Open and the 2003 US Open. His nickname is "Mosquito" due to his speed and his slight physical build. Ferrero retired from the game after the 2012 Valencia Open 500.
Document 10: 1996 Barilla Indoors – Singles: Iva Majoli was the defending champion but lost in the semifinals to Jana Novotná.
Document 11: Martina Hingis: Martina Hingis (born 30 September 1980) is a Swiss professional tennis player, a former world No. 1 singles player and currently ranked world No. 2 in doubles by the WTA. She has spent a total of 209 weeks as the singles No. 1 and has won five Grand Slam singles titles, thirteen Grand Slam women's doubles titles, winning a calendar-year doubles Grand Slam in 1998, and seven Grand Slam mixed doubles titles; for a combined total of twenty-five major titles. In addition, she has won the season-ending WTA Championships two times in singles and three times in doubles, and an Olympic silver medal.
Document 12: Rafael Nadal: Rafael "Rafa" Nadal Parera (] , ] ; born 3 June 1986) is a Spanish professional tennis player, currently ranked World No. 1 in men's singles. Known as "The King of Clay", he is widely regarded as the greatest clay-court player in history. His evolution into an all-court threat has established him as one of the greatest tennis players ever.
Document 13: Robert Lansdorp: Robert Lansdorp (born 1938, Semarang, Indonesia) is a professional tennis coach. He first rose to international fame in 1979 when his student Tracy Austin became the youngest US Open Women's Singles champion in history at age 16. He has gone on to coach other tennis champions including Pete Sampras, Lindsay Davenport, and Maria Sharapova. He is regarded as an expert on groundstrokes, in particular the forehand, advocating a powerful, flat hitting technique commonly referred to as the "Lansdorp Forehand".
Document 14: Hicham Arazi: Hicham Arazi (Arabic: هشام أرازي‎ ‎ ; born 19 October 1973) is a former male tennis player from Morocco. He played professionally from 1993 to the end of 2007. The left-hander reached his career-high ATP Tour singles ranking of world No. 22 on November 5, 2001. During his career, Arazi captured one singles title, in Casablanca. "The Moroccan Magician" reached the quarter-finals of the Australian Open twice and the French Open twice. As well as the aforementioned nickname, some tennis analysts called him "The Moroccan McEnroe" due to his talent - he played with incredible touch, and often enjoyed the support of the crowd even when not at home. He led Patrick Rafter, winner of the US Open in 1997 and 1998, two sets to love during the first round of the latter tournament. In the third set he was upset with several line calls, telling umpire Norm Chryst to "get out of here", which sparked the beginning of Arazi's meltdown (and Rafter's comeback). During his career, he notably gained victories over former World No. 1s and Grand Slam champions Roger Federer, Andre Agassi, Yevgeny Kafelnikov, Marat Safin, Lleyton Hewitt, Juan Carlos Ferrero, Carlos Moyá and Jim Courier.
Document 15: 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.
ground_truth: professional tennis player