Customer: This isn\'t an argument! It\'s just contradiction!
Professional Arguer: No, it isn\'t!
Customer: Yes it is!
Professional Arguer: No, no, no!
Customer: It is!
Professional Arguer: No, it isn\'t!
Customer: Yes it is! An argument is an intellectual process! It isn\'t just contradiction!
Professional Arguer: Look, if I\'m to argue with you, I have to take up a contracitary position!
Customer: Yes, but it\'s not just saying "No it isn\'t!"
Professional Arguer: Yes, it is!
Customer: No, it isn\'t!