If there is a black dog in the center of both images.
return dog ;return #1 that is black ;return images ;return center of #3 ;return #2 that are in  #4 ;return number of  #5 for each  #3 ;return #3 where  #6 is at least one ;return number of  #7 ;return if  #8 is equal to  two
['select', 'filter', 'select', 'project', 'filter', 'group', 'comparative', 'aggregate', 'boolean']