question: If an image features one product that stands on its black cap.
#1 return images 
#2 return products in  #1 
#3 return cap of #2 
#4 return #3 that is black 
#5 return #2 that stand on #4 
#6 return number of  #5 for each  #1 
#7 return #1 where  #6 is equal to  one 
#8 return number of  #7 
#9 return if  #8 is equal to  one