If in one image, a gorilla is sitting with its knees bent and at least one arm resting on a knee.
return gorilla ;return #1 that is sitting ;return knees of #2 ;return #2 where  #3 are bent ;return arms of #4 ;return #5 that is resting on #3 ;return number of  #6 for each  #4 ;return #4 where  #7 is at least one ;return if  #8 is in  one image
['select', 'filter', 'project', 'comparative', 'project', 'filter', 'group', 'comparative', 'boolean']