Knowledge: Key Clubs do many volunteer activities to give back the local. On the other hand, Alcoholics Anonymous is an organization to help alcohol problems and stay sober.

Conversation:
I have never drank alcohol.
That would mean you are in a condition of sobriety, which is not having any noticeable affects from alcohol.
Well at least I will never be an alcoholic.
Interesting. Do you know about AA?
I heard about it but what do AA do?

Response: Oh, Alcoholics Anonymous is an organization to help alcohol problems and stay sober.