Are you a professional writer? mm, mm... Are you interested...
Lady: Are you a professional writer?
Homer: mm, mm... (in a 'no' kinda way)
Lady: Are you interested in politics and government?
Homer: mmmm...(in a 'i dunno' kinda way)
Lady: Are you interested in anything?
Homer: mmmm.. (same as above)
Lady: Could you touch your nose for me?
(Homer twists and bends but doesn't touch his nose)