If the balcony in the left image has close-together horizontal boards for rails, and the balcony on the right has vertical white bars for rails.
return left image ;return balcony in  #1 ;return rails of #2 ;return boards of #3 ;return #4 that are horizontal ;return #5 that are close-together ;return if  #2 has #6 ;return right image ;return balcony in  #8 ;return rails of #9 ;return bars of #10 ;return #11 that are white ;return #12 that are vertical ;return if  #9 has #13 ;return if  both  #7 and #14 are true
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