Task: Question Generation
Input (English): #1 return the  left image 
#2 return the  right image 
#3 return windows in  #1 
#4 return windows in  #2 
#5 return number of  #3 
#6 return number of  #4 
#7 return sum of #5 and #6 
#8 return if  #7 is equal to  four
Output (English): If the left and right image contains the a total of four window.