Question: Are  Marcelo Melo and Gisela Dulko both tennis players?

Context paragraphs:
Marcelo Melo: Marcelo Pinheiro Davi de Melo (born September 23, 1983) is a Brazilian tennis player.  He is the younger brother of Daniel Melo and grew up in Belo Horizonte, Brazil.  He stands at a height of 2.03 m (6 ft. 8 in.) .

2007 GDF Suez Grand Prix – Doubles: Following are the results of the 2007 GDF Suez Grand Prix – Doubles tennis competition.  The 2007 Gaz de France Budapest Grand Prix was a WTA Tour tennis event held on April 21–29, 2007, won by Gisela Dulko.

Gisela Dulko: Gisela Dulko (] ; born 30 January 1985, in Tigre) is a retired professional tennis player from Argentina.  Although she enjoyed modest success in singles, reaching world no. 26 and winning four WTA Tour titles, her speciality was doubles, where she achieved a world no. 1 ranking.  Partnering with Flavia Pennetta, Dulko won the 2010 WTA Tour Championships and the 2011 Australian Open in doubles.  Dulko also reached the mixed doubles final at the 2011 US Open, with Edward Schwank.  She is remembered for her ability to upset the big names on the tour, such as Maria Sharapova in the second round of Wimbledon in 2009; and Samantha Stosur in the third round of Roland Garros in 2011.  She also beat Martina Navratilova in the second round of Wimbledon in 2004 in Navratilova's final Grand Slam singles match.

2017 Western &amp; Southern Open – Men's Doubles: Ivan Dodig and Marcelo Melo were the defending champions, but chose not to participate together.  Dodig teamed up with Rohan Bopanna, but lost in the quarterfinals to Melo who partnered Łukasz Kubot.  Kubot and Melo lost in the semifinals to Jamie Murray and Bruno Soares.

2007 Forest Hills Tennis Classic: The 2007 Forest Hills Tennis Classic was a women's tennis tournament played on outdoor hard courts.  It was the 4th edition of the Forest Hills Tennis Classic, and was part of the Tier IV Series of the 2007 WTA Tour.  It took place in Forest Hills, New York City, New York, United States from August 21 through August 25, 2007.  Gisela Dulko won the singles title.

Cho Yoon-jeong: Cho Yoon-jeong (Korean: 조윤정 , born 2 April 1979) is a former South Korean tennis player.  Cho won one doubles title during her career on the WTA Tour, at Seoul in 2004.  Her best Grand Slam performance was when she made the third round of the 2005 U.S. Open, by defeating Arantxa Parra Santonja in three sets in the first round, upsetting the 27th seed Gisela Dulko in the second round, and fell, 6–0, 6–7(4) to number 7 Justine Henin-Hardenne.  She reached career-high rankings of No. 45 in singes (in July 2003), and No. 98 in doubles (in September 2003).  Cho Yoon-jeong retired from tennis 2008.

Daniel Melo: Daniel Melo (born July 4, 1977 in Belo Horizonte, Brazil) is a former professional tennis player from Brazil.  He is the older brother of Marcelo Melo, also a tennis player.

2006 Generali Ladies Linz – Doubles: Gisela Dulko and Květa Peschke were the defending champions, but competed this year with different partners.  Dulko teamed up with Michaëlla Krajicek and lost in first round to Eleni Daniilidou and Jasmin Wöhr, while Peschke teamed up with Francesca Schiavone and had to withdrew in their semifinal match (against Corina Morariu and Katarina Srebotnik) as Schiavone had her right knee injured.

2011 Copa Sony Ericsson Colsanitas – Doubles: Gisela Dulko and Edina Gallovits-Hall were the defending champions, but Dulko decided to not participate.

2007 Copa Colsanitas – Doubles: Gisela Dulko and Flavia Pennetta were the defending champions, but Dulko chose not to participate that year. .

Supporting paragraphs: Marcelo Melo Gisela Dulko
Answer: yes