If all images show hounds standing on the grass.
return hounds ;return the  grass ;return #1 standing on #2 ;return images of  #3 ;return number of #4 ;return images ;return number of #6 ;return if  #5 is  equal to #7
['select', 'select', 'filter', 'project', 'aggregate', 'select', 'aggregate', 'boolean']