YOU SAID:
I wanna eat a sandwich with tuna and marshmallows.
INTO JAPANESE
私はツナとマシュマロのサンドイッチを食べたいです。
BACK INTO ENGLISH
I want to eat tuna and marshmallow sandwich.
INTO JAPANESE
私はマグロとマシュマロのサンドイッチを食べたいです。
BACK INTO ENGLISH
I want to eat tuna and marshmallow sandwich.
You've done this before, haven't you.