Task: Question Generation
Input (English): #1 return yearly employee pre tax 
#2 return #1 in  2012 
#3 return #1 in  2008 
#4 return number of  #2 
#5 return number of  #3 
#6 return the  difference of #4 and  #5
Output (English): How many more yearly employee pre tax was in 2012 than 2008?