YOU SAID:

Who invited this person? Oh, I did..

INTO JAPANESE

誰がこの人を招待しましたか？ああ、やった。

BACK INTO ENGLISH

Who invited this person? Oh, I did it.

INTO JAPANESE

誰がこの人を招待しましたか？ああ、やった。

BACK INTO ENGLISH

Who invited this person? Oh, I did it.