YOU SAID:
The one I sent you was on the one I was talking about
INTO JAPANESE
私があなたに送ったのは、私が話していたものだった
BACK INTO ENGLISH
What I sent you was what I was talking about.
INTO JAPANESE
私があなたに送ったのは、私が話していたものでした。
BACK INTO ENGLISH
What I sent you was what I was talking about.
That didn't even make that much sense in English.