If none of the dogs are alone and at least one of the dogs has a dark colored face.
return dogs ;return #1 that is  alone ;return number of #2 ;return If #3 is  equal to zero ;return faces of  #1 ;return #5 that is  dark colored ;return number of #6 ;return If #7 is  at least one ;return If both  #4 and #8 are  true
['select', 'filter', 'aggregate', 'boolean', 'project', 'filter', 'aggregate', 'boolean', 'boolean']