YOU SAID:

Thats a fat potato there

INTO JAPANESE

それはそこに太ったジャガイモだ

BACK INTO ENGLISH

That's a fat potato there

INTO JAPANESE

それはそこにあるサツマイモです

BACK INTO ENGLISH

That is the sweet potato there

INTO JAPANESE

それがそこにあるサツマイモです

BACK INTO ENGLISH

It is the sweet potato there is there

INTO JAPANESE

それはそこにあるサツマイモです

BACK INTO ENGLISH

That is the sweet potato there

INTO JAPANESE

それがそこにあるサツマイモです

BACK INTO ENGLISH

It is the sweet potato there is there