YOU SAID:
Which one of you did this?
INTO JAPANESE
あなたの誰がこれをしましたか?
BACK INTO ENGLISH
Who of you did this?
INTO JAPANESE
誰がこれをやったの?
BACK INTO ENGLISH
Who did this?
INTO JAPANESE
どちらの仕業だ?
BACK INTO ENGLISH
Who did this?
Well done, yes, well done!