YOU SAID:

Whatever what you were talking about.

INTO JAPANESE

何であれあなたが何について話していた。

BACK INTO ENGLISH

In what whatever you what were talking about.

INTO JAPANESE

何かで話していたもの。

BACK INTO ENGLISH

What were talking about something.

INTO JAPANESE

何は、何かについて話していた。

BACK INTO ENGLISH

What were talking about something.