YOU SAID:
Potato I'd a saxophone
INTO JAPANESE
ジャガイモ私はサックスになります
BACK INTO ENGLISH
Potato i will be saxophone
INTO JAPANESE
ジャガイモはサックスになります
BACK INTO ENGLISH
Potatoes become saxophone
INTO JAPANESE
ジャガイモはサックスになります
BACK INTO ENGLISH
Potatoes become saxophone
You've done this before, haven't you.