YOU SAID:

ian is a person that is very cool please believe me

INTO JAPANESE

イアンは非常にクールな人は、私を信じてください

BACK INTO ENGLISH

Ian is a very cool person, please believe me

INTO JAPANESE

イアンは非常にクールな人、私を信じてください。

BACK INTO ENGLISH

Ian was very cool man, I believe.

INTO JAPANESE

イアンは、非常にクールな男だったと私は信じています。

BACK INTO ENGLISH

I believe Ian was a very cool guy.

INTO JAPANESE

イアンは非常にクールな男だと思います。

BACK INTO ENGLISH

I think Ian is a very cool guy.

INTO JAPANESE

イアンは非常にクールな男だと思います。

BACK INTO ENGLISH

I think Ian is a very cool guy.