Task: Question Generation
Input (English): #1 return Tong 
#2 return soldiers of #1 
#3 return number of  #2 
#4 return Cham 
#5 return soldiers of #4 
#6 return number of  #5 
#7 return difference of #3 and  #6
Output (English): How many more soldiers did Tong have than Cham?