Currently our site slugs display as (mainsite)/(maincategoryslug) if you're browsing a main category, and if you enter an article within a subcategory, this displays as (mainsite)/(subcategoryslug)/pageslug. We want to have (mainsite)/(maincategoryslug)/(subcategoryslug) if viewing a subcategory, but (mainsite)/(maincategoryslug)/pageslug, if viewing an article, in other words, only showing the subcategory slug if viewing the subcategory itself, but stripping it if viewing an article within it. Currently this cannot be achieved.