YOU SAID:
What could it have been about...?
INTO JAPANESE
それは何だったのでしょう...?
BACK INTO ENGLISH
What was that...?
INTO JAPANESE
それは何だったのか?
BACK INTO ENGLISH
What was that?
INTO JAPANESE
それは何だったのか?
BACK INTO ENGLISH
What was that?
That didn't even make that much sense in English.