YOU SAID:

We don't talk about obama

INTO JAPANESE

私たちはオバマについて話すことはありません

BACK INTO ENGLISH

We don't talk about Obama.

INTO JAPANESE

オバマの話はしません

BACK INTO ENGLISH

I'm not talking about Obama.

INTO JAPANESE

オバマの話じゃない

BACK INTO ENGLISH

I'm not talking about Obama.