If one image contains a tall, brown bookshelf; and the other contains a bookshelf with cupboards at the bottom.
return one image ;return bookshelf in  #1 ;return #2 that is  brown ;return If #3 is  tall ;return other image ;return bookshelf in  #5 ;return bottom of  #6 ;return If there are  cupboards at #7 ;return If both  #4 and #8 are  true
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