Task: Question Generation
Input (English): #1 return Lan Xang gave no trouble 
#2 return Setthathirath 's death 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return which is highest of #3 ,  #4
Output (English): What happened second: Lan Xang gave no trouble or Setthathirath's death?