No I don't.

M: Argument is an intellectual process. Contradiction is just the automatic gainsaying of any statement the other person makes.
(short pause)
A: No it isn't.
M: It is.
A: Not at all.
M: Now look.
A: (Rings bell) Good Morning.
M: What?
A:   That's it. Good morning.
M:   I was just getting interested.
A:   Sorry, the five minutes is up.
M: That was never five minutes!
A:   I'm afraid it was.
M: It wasn't.