Question

Which word set completes the following analogy?
librarian : books ::
rescue : emergency
scientist : microscope
horse : blacksmith
farmer : agriculture

Answer 1

librarian : book :: scientist: microscope

As I see it, the librarian's profession is comprised of books. Like a librarian uses books to do her job. Whereas, a scientist does his job with the help of microscopes.

Answer 2

i believe the answer is scientist : microscope