YOU SAID:

Banana is an olive, and it is terrible mistake

INTO JAPANESE

バナナはオリーブで、ひどい間違いです。

BACK INTO ENGLISH

Bananas are olives, a terrible mistake.

INTO JAPANESE

バナナはオリーブです恐ろしい間違いです

BACK INTO ENGLISH

Bananas are olives. It's a terrible mistake.

INTO JAPANESE

バナナはオリーブだひどい間違いだ

BACK INTO ENGLISH

Bananas are olives. It's a terrible mistake.