YOU SAID:

It's because I'm black, isn't it?

INTO JAPANESE

それはので、私は黒、それではないですか?

BACK INTO ENGLISH

It is because I black, doesn't it?

INTO JAPANESE

私がブラックだね?

BACK INTO ENGLISH

I'm black?

INTO JAPANESE

私は黒ですか。

BACK INTO ENGLISH

I is black?

INTO JAPANESE

私は黒ですか。