If each image shows a pair of pump dispensers, and each pair of dispensers is shown with a caddy holder.
return pump dispensers  ;return pairs of  #1 ;return caddy holder ;return #2 with  #3 ;return images of  #4 ;return number of #5 ;return images ;return number of #7 ;return if  #6 is  equal to #8
['select', 'project', 'select', 'filter', 'project', 'aggregate', 'select', 'aggregate', 'boolean']