YOU SAID:

If i am potato, you are potato too

INTO JAPANESE

私がジャガイモならあなたもジャガイモです

BACK INTO ENGLISH

If I'm a potato, you're a potato too.

INTO JAPANESE

俺がジャガイモならお前もジャガイモだ

BACK INTO ENGLISH

If I'm a potato, you're a potato too.