Writing good surveys is both an art and a science. It's seldom done well, especially if you want it to also be unbiased. Why not answer this one as best you can, and where you run into difficulties, make comments in the free response blocks provided on the later pages?
What I'd like to know is something about the people asking for the information and for what intended use.
Sam, I tried to answer it. After several questions in which I could not come up with an answer that fit the choices, I gave up. I don't mean my response did not match the choices exactly--I mean my response did not match at all.