question: If there are items falling from their shelves in both images.
#1 return items 
#2 return shelves of #1 
#3 return #1 that are falling from  #2 
#4 return images 
#5 return number of  #3 for each  #4 
#6 return #4 where  #5 is at least two 
#7 return number of  #6 
#8 return if  #7 is equal to  two