Which age group is larger: 25 to 44 or 18 to 24?
return age groups ;return #1 that is 25 to 44 ;return #1 that is 18 to 24 ;return size of #2 ;return size of #3 ;return which is highest of #4 ,  #5
['select', 'filter', 'filter', 'project', 'project', 'comparison']