challenge: What was one of John Forsythe's notable achievements in the world of horse racing?
  
  A. Winning the Kentucky Derby with his horse Yu Wipi
  B. Winning the 1976 Longacres Mile with his horse Yu Wipi, in partnership with Martin Ritt
  C. Becoming the chairman of the board of directors of the National Thoroughbred Racing Association
  D. Being the sole owner of Hollywood Park Racetrack
  Answer: 