Task: Question Generation
Input (English): #1 return the  south area 
#2 return the  center area 
#3 return troops of #1 
#4 return troops of #2 
#5 return number of  #3 
#6 return number of  #4 
#7 return which is more of #5 ,  #6
Output (English): Which area had more troops, the south or the center?