Task: Question Generation
Input (English): #1 return the  blue sphere 
#2 return the  silver sphere 
#3 return cubes behind of #1 
#4 return cubes behind of #2 
#5 return number of  #3 
#6 return number of  #4 
#7 return which is more of #5 ,  #6
Output (English): are there more cubes behind the blue sphere or the silver one?