1. About that, it has nothing to do with me.
2. On that, it has nothing to do with me.
3. For that, it has nothing to do with me.
Like in sentences 1,2,3, can I use "about/on/for" as meaning "regarding"? And are sentences 1,2,3 acceptable?
If my examples are not appropriate, would you make or bring up some correct examples?
