No, it isn't
Yes, it is. You just contradicted me
No, I didn't
Yes, you did
No, no, no
You did just then
That's ludicrous
Oh, this is futile
No, it isn't
I came in here for a good argument
No, you didn't. You came in here for an argument
Well, argument isn't the same as contradiction
Can be
"An argument is a connected series of statements intended to form a proposition. Contradiction is merely the automatic gainsaying of anything the other person says"