Task: Question Generation
Input (English): #1 return pepper grinder 
#2 return #1 that is cylindrical 
#3 return #2 that is silver 
#4 return bowl of mashed potatoes 
#5 return #3 behind #4 
#6 return if  #5 is in  one of the  images
Output (English): If there is a cylindrical, silver pepper grinder behind a bowl of mashed potatoes in one of the images.