question: Are both Shelby Cannon and Scott Lipsky retired?
answer: no
context: Title: 2017 Estoril Open – Doubles
  Passage: Eric Butorac and Scott Lipsky were the defending champions, but Butorac retired from professional tennis in September 2016 and Lipsky chose to compete in Istanbul instead.
  Title: 2010 Tallahassee Tennis Challenger – Doubles
  Passage: Eric Butorac and Scott Lipsky were the defending champions, but Butorac chose to participate in Barcelona instead.Lipsky partnered up with David Martin, but they lost in the first round against Robert Kendrick and Bobby Reynolds. Stephen Huss and Joseph Sirianni won in the final 6–2, 6–4 against Robert Kendrick and Bobby Reynolds
  Title: 1993 Qatar Open – Doubles
  Passage: Boris Becker and Patrik Kühnen won the title, defeating Shelby Cannon and Scott Melville 6–2, 6–4 in the final.
  Title: 2016 Estoril Open – Doubles
  Passage: Treat Huey and Scott Lipsky were the defending champions, but chose not to compete together.  Huey played alongside Max Mirnyi, but lost in the semifinals to Eric Butorac and Lipsky. <br>
  Title: 2011 Bauer Watertechnology Cup – Doubles
  Passage: Scott Lipsky and Rajeev Ram were the defending champions but Lipsky decided not to participate. <br>
  Title: 2015 Irving Tennis Classic – Doubles
  Passage: Santiago González and Scott Lipsky were the defending champions, but González did not participate.  Lipsky partnered with Treat Huey, but lost in the quarterfinals to Pablo Andújar and Diego Schwartzman.
  Title: 2013 Internazionali BNL d'Italia – Men's Doubles
  Passage: Marcel Granollers and Marc López were the defending champions, but lost to Santiago González and Scott Lipsky in the quarterfinals. <br>
  Title: Scott Lipsky
  Passage: Scott Lipsky (born August 14, 1981, in Merrick, New York) is a professional tennis player from the United States.  He is primarily a doubles specialist.
  Title: 2012 French Open – Mixed Doubles
  Passage: Casey Dellacqua and Scott Lipsky were the defending champions.  Dellacqua chose not to participate this year while Lipsky partnered with Vladimíra Uhlířová, but they were defeated in the first round by Virginie Razzano and Nicolas Devilder. <br>
  Title: Shelby Cannon
  Passage: Shelby Cannon (born August 19, 1966, in Hattiesburg, Mississippi) is an American retired professional tennis player.
citations: Shelby Cannon Scott Lipsky