YOU SAID:

Potatoes are the good good good yes

INTO JAPANESE

じゃがいもは良い良い はい

BACK INTO ENGLISH

Potatoes are good good Yes

INTO JAPANESE

じゃがいもが良いです はい

BACK INTO ENGLISH

Potatoes are good, yes.

INTO JAPANESE

ジャガイモは良いです、はい。

BACK INTO ENGLISH

Potatoes are good, yes.