If an image shows two adult chimps squatting side by side, one with a wide-opne mouth and at least one with its arms folded across its front.
return adult chimps ;return #1 squatting side by side  ;return one of #2 ;return mouth of #3 ;return if  #4 is wide-opne ;return #2 with its  arms folded across its front ;return number of  #6 ;return if  #7 is at least one ;return if  both  #5 and #8
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