Just occasionally this Python sketch feels very relevant to Wikipedia;
M: Ah. I'd like to have an argument, please.
R: Certainly sir. Have you been here before?
M: No, I haven't, this is my first time.
R: I see. Well, do you want to have just one argument, or were you
thinking of taking a course?
http://en.wikipedia.org/wiki/The_Argument_Sketch