Damp in [location], looking
like [description], appearing
[when]. Possible sources in order
of likelihood, what distinguishes
each, and which needs acting on
urgently.

Work Out Where the Damp Is From

Distinguishes the sources, and flags the urgent one.

Prompt

I have damp in [describe the location and what it looks like, and when it appears]. Walk me through the possible sources in order of likelihood, what would distinguish each, and which one needs acting on urgently.