YOU SAID:
The cat ate the mouse, who ate her cheese.
INTO JAPANESE
猫はネズミを食べ、ネズミは猫のチーズを食べました。
BACK INTO ENGLISH
The cat ate the mouse and the mouse ate the cat's cheese.
INTO JAPANESE
猫はネズミを食べ、ネズミは猫のチーズを食べました。
BACK INTO ENGLISH
The cat ate the mouse and the mouse ate the cat's cheese.
That didn't even make that much sense in English.