Task: Question Generation
Input (English): #1 return people 
#2 return #1 in   2015 
#3 return number of  #2 
#4 return the  last census 
#5 return births of #4 
#6 return deaths of #4 
#7 return number of  #5 
#8 return number of  #6 
#9 return sum of #7 and  #8 
#10 return the  difference of #3 and  #9
Output (English): How many more people were there in 2015 than in births and deaths in the last census?