question: If one of the images shows exactly four furry animals.
#1 return images 
#2 return animals in  #1 
#3 return #2 that are furry 
#4 return number of  #3 for each  #1 
#5 return #1 where  #4 is equal to  four 
#6 return number of  #5 
#7 return if  #6 is equal to  one