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Resetting your save file won't alter that.  The big thing people are noting about the Nameless event is that one of the times he asks you a question, that question becomes locked to your computer and cannot be altered.

So there's no need to reset your save file for anything (In fact that literally /won't/ do anything, haha), just whenever he asks you a question make sure you select the response you mean to select the first time, rather than expecting to be able to reload back and tweak things.

I would say that if you take a close look at Ren'py  then you may be able to dig in and view the available options in a less constructed state. Hope this helps.