Negative agreement

[Tamdang]

Thanks again. I guess you are a Russian, aren't you ? I'm really glad to more knowledge from you.Nice to meet you.Ta ta for now.

[reindeer]

Hi Tamdang,

your guess is absolutely correct. I am Russian. My sitizenship seems to match my nationality either.
And I in turn assume that you are neither Russian nor live in Russia, do you?

Andrew