If one image shows a dog sitting upright on snow-covered ground, and the other image shows a forward-facing dog with snow mounded in front of it.
return one image  ;return dog  in  #1 ;return #2 that is sitting upright ;return ground in  #1 ;return #4 that is snow-covered ;return if  #3 is on #5 ;return the  other image  ;return dog  in  #7 ;return #8 that is forward-facing ;return snow in  #7 ;return if  #10 is mounded in  front of #9 ;return if  both  #6 and #11 are true
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