Task: Question Generation
Input (English): #1 return Eberhardt became a flag officer  
#2 return Eberhardt became a gunnery officer  
#3 return when  was  #1 
#4 return when  was  #2 
#5 return which is lowest of #3 ,  #4
Output (English): What happened first: Eberhardt became a flag officer or gunnery officer?