YOU SAID:

Jeff eats potatoes with cheese in them

INTO JAPANESE

ジェフはジャガイモにチーズを食べる

BACK INTO ENGLISH

Jeff eats cheese potatoes

INTO JAPANESE

それはチーズを食べません

BACK INTO ENGLISH

It doesn't eat cheese

INTO JAPANESE

それはチーズを食べません

BACK INTO ENGLISH

It doesn't eat cheese