challenge: What happened during the Basque basketball derby between Bilbao Basket and Laboral Kutxa Baskonia at Bilbao Arena on March 1, 2015?
  
  A. A brawl broke out, resulting in player disqualifications and ejections
  B. The game ended in a tie, requiring overtime
  C. A player suffered a serious injury
  D. A new attendance record was set for the arena
  Answer: 