What do the following pieces of comic dialogue have in common? 1. ALLAN: What are you doing Saturday night? MUSEUM GIRL: Committing suicide. ALLAN: What about Friday night? (‘Play It Again, Sam‘) 2. KIM: I’m not a size 16, Mum. I’m a size 10. KATH: Country Road’s size 10. (‘Kath & Kim‘) 3. LUCILLE:…