If the combined images contain three dogs, and in one image, a black-and-white dog sits upright and all alone.
return dogs ;return number of #1 ;return If #2 is  equal to three ;return #1 that is  black-and-white ;return #4 that sits upright ;return #5 that is  all alone ;return If #6 is  in  one image ;return If both  #3 and #7 are  true
['select', 'aggregate', 'boolean', 'filter', 'filter', 'filter', 'boolean', 'boolean']