If all geese have flat bases without legs, black necks, and folded wings.
return geese ;return base of #1 ;return #1 where  #2 is flat ;return legs ;return #3 without #4 ;return neck of #5 ;return #5 where  #6 is black ;return wings of #7 ;return #7 where  #8 are folded ;return number of  #9 ;return number of  #1 ;return if  #10 is equal to  #11
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