YOU SAID:

Potatoes are good with butter.

INTO JAPANESE

ジャガイモはバターと良いです。

BACK INTO ENGLISH

Potatoes with butter is good.

INTO JAPANESE

じゃがバターは良いです。

BACK INTO ENGLISH

It is good butter.

INTO JAPANESE

それは良いバターです。

BACK INTO ENGLISH

It is a good butter.

INTO JAPANESE

良いバターです。

BACK INTO ENGLISH

It is a good butter.