and so to today's etiquette lesson. how to introduce people to each other. who gets introduced to whom? for help we need the roy family from massachusetts. the fundamental role is simple. it's lessers to graters, inferiors to superiors. >> who is superior here? >> of course it's lady lu of the drain pipe. we start with richard of nowhere. the rule is, remember, lady lu, may i present richard of nowhere. straightforward. but things get complicated because suddenly arrives the duchess of eastham. the duchess is more important and senior to lady lu. now it becomes your grace, may i present lady lu of the drain