challenge: What were some of Osman Maglajlić's roles in sports administration?
  
  A. Founder of FK Sarajevo, President of the Football Association of Yugoslavia
  B. Founder of FK Sarajevo only
  C. President of the Football Association of Yugoslavia, director of USD Bosna
  D. Founder of FK Sarajevo, club president, board member of the Football Association of Yugoslavia, and director of USD Bosna
  Answer: 