question: If one image contains four glasses of different colors of wine.
#1 return glasses of  wine 
#2 return colors of  #1 
#3 return #2 that are  different 
#4 return images 
#5 return number of #3 for each #4 
#6 return #4 where #5 is  equal to four 
#7 return number of #6 
#8 return If #7 is  equal to one