question: Do Xavier Malisse and Jim Courier have the same nationality ?
answer: no
context: Title: 2012 Farmers Classic – Doubles
  Passage: Xavier Malisse, with fellow countryman Ruben Bemelmans, defended his title, defeating Jamie Delgado and Ken Skupski 7–6, 4–6, [10–7] in the final.  Mark Knowles and Malisse were the defending champions but Knowles decided not to participate.
  Title: 2003 Stella Artois Championships – Doubles
  Passage: Wayne Black and Kevin Ullyett were the defending champions but lost in the second round to Xavier Malisse and André Sá.
  Title: 2008 Chennai Open – Doubles
  Passage: Xavier Malisse and Dick Norman were the defending champions, but Norman chose not to participate, and only Malisse competed that year.
  Title: 2009 Trophée des Alpilles – Singles
  Passage: 3rd-seeded Marcos Baghdatis became the first champion of this event, after won against unseeded Xavier Malisse 6–4, 6–1 in the final.
  Title: 2013 Topshelf Open – Men's Singles
  Passage: David Ferrer was the defending champion, but lost in the first round to Xavier Malisse. <br>
  Title: Xavier Malisse
  Passage: Xavier Malisse (born 19 July 1980) is Belgian retired professional tennis player.  Born in the north-western Flemish city of Kortrijk and nicknamed "X-Man", he is only one of two players from Belgium (the other being David Goffin) to have been ranked in the top 20 of the ATP tour, with a career-high singles ranking of World No. 19.
  Title: Jim Courier
  Passage: 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.
  Title: 2001 Verizon Tennis Challenge – Singles
  Passage: Andrew Ilie was the defending champion but lost in the quarterfinals to Xavier Malisse.  Andy Roddick won in the final 6–2, 6–4 against Malisse, which was the first title of his career.
  Title: 2012 Moselle Open – Doubles
  Passage: Jamie Murray and André Sá were the defending champions, but lost in the first round to Xavier Malisse and Alexander Waske. <br>
  Title: 2009 Seguros Bolívar Open Bogotá – Doubles
  Passage: Xavier Malisse and Carlos Salamanca were the champions in 2008, but Malisse chose to not start this year.
citations: Jim Courier Xavier Malisse