Task: Question Generation
Input (English): #1 return army 
#2 return horses of the  #1 
#3 return elephants of the  #1 
#4 return the  number of  #2 
#5 return the  number of  #3 
#6 return the  difference of #4 and  #5
Output (English): How many more horses did the army have compared to elephants?