If 1 of the images has 3 dispensers lined up in a row.
return dispensers ;return #1 lined up in  a  row ;return images ;return the  number of  #2 for each  #3 ;return #3 where  #4 is equal to  3 ;return the  number of  #5 ;return if  #6 is equal to  one
['select', 'filter', 'select', 'group', 'comparative', 'aggregate', 'boolean']