If each image includes a forward-facing crab, and in one image, a crab is held by a bare hand.
return crab ;return #1 that is forward-facing ;return images of #2 ;return images ;return number of  #3 ;return number of  #4 ;return if  #5 is equal to  #6 ;return hand ;return #8 that is bare ;return #1 held by #9 ;return if  #10 is in  one image  ;return if  both  #7 and #11 are true
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