YOU SAID:

The old woman killed the old woman to old woman the other more existent old woman

INTO JAPANESE

おばあさんはおばあさんをおばあさんに殺しました

BACK INTO ENGLISH

Granny killed grandmother by granny

INTO JAPANESE

おばあちゃんはおばあちゃんによって祖母を殺しました

BACK INTO ENGLISH

Granny killed grandmother by granny