<article> and <section> for forum's topics?

Question

I don't know if it could be a good idea use for show a forum's topic this code:

<article>
    <section>First post</section>
    <section>Second post</section>
    <section>etc</section>
</article>

It is correct or instead I should use <div>?

Answer 1

I'd do (updated)

<section>
    <article>First post</article>
    <article>First post</article>
</section>
<section>
    <article>Second post</article>
    <article>Second post</article>
</section>
<section>
    <article>etc</article>
    <article>etc</article>
</section>