question: If there is at least one purple label in one of the images.
#1 return label 
#2 return #1 that is purple 
#3 return images 
#4 return number of  #2 for each  #3 
#5 return #3 where  #4 is at least one 
#6 return number of  #5 
#7 return if  #6 is equal to  one