Is the item closest to the front the same as the item closest to the back?
return items ;return how close to  the     front are #1 ;return how close to  the     back are #1 ;return #1 where #2 is  the     lowest ;return #1 where #3 is  the     lowest ;return if #4 is  the     same as #5
['select', 'project', 'project', 'comparative', 'comparative', 'boolean']