If each image contains exactly three hounds, including one image of dogs posed in a horizontal row.
return images ;return hounds in  #1 ;return #2 posed in  a  horizontal row ;return number of  #2 for each  #1 ;return number of  #3 for each  #1 ;return #1 where  #4 is equal to  three ;return #1 where  #5 is equal to  three ;return number of  #1 ;return number of  #6 ;return number of  #7 ;return if  #9 is equal to  #8 ;return if  #10 is equal to  one ;return if  both  #11 and #12 are true
['select', 'project', 'filter', 'group', 'group', 'comparative', 'comparative', 'aggregate', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']