I have a custom blog script that allows comments to be added by registered members, much like here on Sitepoint's blogs. This is what they look like underneath the main blog:

Example:
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Seodevhead's Response:

"It is of utmost importance that we find a way to control...continue paragraphs here"

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WebGuy2005's Response:

"While we are at a crossroads in the framework for the detrimental.... continue paragraphs here"

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The part's that read "seodevhead's response:" and "WebGuy2005's Response:"... what XTHML element should I use to mark these? I don't want to use a header tag because obviously these are not in relation to the topic of the blog. Any ideas? Thanks.