question: Are Ivan Dodig and Marcelo Melo both tennis players?
answer: yes
context: Title: Marcelo Melo
  Passage: 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.) .
  Title: 2014 Monte-Carlo Rolex Masters – Doubles
  Passage: Julien Benneteau and Nenad Zimonjić were the defending champions, but decided not to participate together.  Benneteau played alongside Édouard Roger-Vasselin, but lost to Bob and Mike Bryan in the quarterfinals.  Zimonjić teamed up with Daniel Nestor, but lost to the Bryan brothers in the semifinals.  The Bryans became the new champions, defeating Ivan Dodig and Marcelo Melo 6–3, 3–6, [10–8] in the final.
  Title: 2016 BNP Paribas Masters – Doubles
  Passage: Ivan Dodig and Marcelo Melo were the defending champions, but Dodig chose not to participate this year.  Melo played alongside Vasek Pospisil, but lost to John Peers and Henri Kontinen in the semifinals.
  Title: 2016 Western &amp; Southern Open – Men's Doubles
  Passage: Daniel Nestor and Édouard Roger-Vasselin were the defending champions, but chose not to compete together.  Nestor played alongside Vasek Pospisil, but lost in the semifinals to Ivan Dodig and Marcelo Melo.  Roger-Vasselin teamed up with Julien Benneteau, but lost in the first round to Milos Raonic and Nenad Zimonjić.
  Title: 2017 Rogers Cup – Men's Doubles
  Passage: Ivan Dodig and Marcelo Melo were the defending champions, but chose not to participate together.  Melo played alongside Łukasz Kubot, but lost in the second round to Fabrice Martin and Édouard Roger-Vasselin.  Dodig teamed up with Rohan Bopanna, but lost in the final to Pierre-Hugues Herbert and Nicolas Mahut, 4–6, 6–3, [6–10].
  Title: 2016 French Open – Men's Doubles
  Passage: Ivan Dodig and Marcelo Melo were the defending champions, but lost in the semifinals to Feliciano López and Marc López.
  Title: 2013 If Stockholm Open – Doubles
  Passage: Marcelo Melo and Bruno Soares were the defending champions, but Soares chose to compete in Vienna instead.  Melo was scheduled to play alongside Ivan Dodig, but withdrew due to an abdominal injury. <br>
  Title: 2017 Western &amp; Southern Open – Men's Doubles
  Passage: 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.
  Title: 2016 Abierto Mexicano Telcel – Men's Doubles
  Passage: Ivan Dodig and Marcelo Melo were the defending champions, but chose to compete in Dubai and São Paulo, respectively, instead. <br>
  Title: Ivan Dodig
  Passage: Ivan Dodig (born 2 January 1985) is a Croatian tennis player.  His career-high ATP rankings are world No. 29 in singles and world No. 4 in doubles.  Dodig is a Grand Slam champion after winning the 2015 French Open men's doubles title with Marcelo Melo.
citations: Marcelo Melo Ivan Dodig