YOU SAID:

That's what I said, it's mine.

INTO JAPANESE

それは私は言った、それは私です。

BACK INTO ENGLISH

That said, it is my I.

INTO JAPANESE

つまり、それは私です。

BACK INTO ENGLISH

In other words, it's me.

INTO JAPANESE

言い換えれば、それは私です。

BACK INTO ENGLISH

In other words, it's me.