question: If there are exactly three white lights hanging over the counter in one of the images
#1 return images 
#2 return lights in  #1 
#3 return #2 that are white 
#4 return the  counter in  #1 
#5 return #3 hanging over #4 
#6 return number of  #5 for each  #1 
#7 return #1 where  #6 is equal to  three 
#8 return number of  #7 
#9 return if  #8 is equal to  one