YOU SAID:

you are not wearing a mask, you are a mask

INTO JAPANESE

あなたはマスクをしていない、あなたはマスクです

BACK INTO ENGLISH

You're not wearing a mask, you're a mask

INTO JAPANESE

あなたはマスクをしていない、あなたはマスクだ

BACK INTO ENGLISH

You're not wearing a mask, you're a mask