I say there is " an intolerable odor of some kind' at such and such and for them to get estimates for costs to remove it that may include refinishing of interior surfaces or removal/replacement of them.. " Something like that.. Then I'd just look at one of the clients or realtor and ask them, 'what does it smell like to you.. ? " They answer.. and their answers go in the report. "Client stated it smelled like body odor'..