YOU SAID:
i cannot believe that you are not a human
INTO JAPANESE
私はあなたが人間ではないとは信じられない
BACK INTO ENGLISH
I can not believe you are not a human being
INTO JAPANESE
私はあなたが人間ではないとは信じられない
BACK INTO ENGLISH
I can not believe you are not a human being
That didn't even make that much sense in English.