YOU SAID:
He my friend john just farted
INTO JAPANESE
彼は私の友人のジョンがちょうどおならした
BACK INTO ENGLISH
He was just flatulent by my friend John
INTO JAPANESE
彼は私の友人のジョンによってただおならでした
BACK INTO ENGLISH
He was just flatulent by my friend John
You've done this before, haven't you.