question: If an image shows yellow and orange balls among white golf balls.
#1 return golf balls  
#2 return #1 that are yellow 
#3 return #1 that are orange 
#4 return #1 that are white 
#5 return #2 that are among #4 
#6 return #3 that are among #4 
#7 return images 
#8 return images of #5 
#9 return images of #6 
#10 return #7 in  both  #8 and #9 
#11 return number of  #10 
#12 return if  #11 is equal to  one