question: If each image contains exactly three foreground zebra that are close together in similar poses.
#1 return zebras 
#2 return #1 in  the  foreground 
#3 return #2 that are  close together 
#4 return poses of  #3 
#5 return #3 where #4 are  similar 
#6 return images of  #5 
#7 return number of #5 for each #6 
#8 return #6 where #7 is  equal to three 
#9 return number of #8 
#10 return images 
#11 return number of #10 
#12 return if  #9 is  equal to #11