Argument vs. discussion

[Raul]

Test No. express/elem-10 "Funny Idioms", question 9

And really the only reason you were there was because you had a bone to pick with him?

(a) you wanted to have a discussion with him
(b) you wanted to have a chat with him
(c) you wanted to have a talk with him
(d) you wanted to have an argument with him

Test No. express/elem-10 "Funny Idioms", answer 9

And really the only reason you were there was because you wanted to have an argument with him?

Correct answer: (d) you wanted to have an argument with him

Your answer was: incorrect
And really the only reason you were there was because you wanted to have a discussion with him?
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What is the difference between argument an discussion? Is that because argument is something fact based and discussion may not?

[Alan]

Hi Raul,

To my mind an argument is a sort of quarrel because it suggests that two or more people are disputing the validity of the topic under consideration. Discussion is much more a free flowing conversation about the topic.

Alan
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