YOU SAID:

the bat ate the mouse who was eating some cheese.

INTO JAPANESE

コウモリはチーズを食べていたマウスを食べました。

BACK INTO ENGLISH

The bat ate the mouse that was eating cheese.

INTO JAPANESE

コウモリはチーズを食べていたマウスを食べました。

BACK INTO ENGLISH

The bat ate the mouse that was eating cheese.