If the left image depicts only one adult ape, which has an arm around a younger ape.
return left image ;return ape  of #1 ;return #2 that is adult ;return #2 that is younger ;return arm of #3 ;return #3 where  #5 is around #4 ;return the  number of  #6 ;return if  #7 is equal to  one
['select', 'project', 'filter', 'filter', 'project', 'comparative', 'aggregate', 'boolean']