challenge: What is the relationship between Safar Timura and Iraj Protarus in the Timura Trilogy?
  
  A. Safar Timura is the conqueror and Iraj Protarus is his Grand Wazier
  B. Safar Timura is the Grand Wazier and Iraj Protarus is the conqueror who later betrays him
  C. Safar Timura and Iraj Protarus are brothers
  D. Safar Timura and Iraj Protarus are sworn enemies from the start
  Answer: 