That ice cube is intensely icy as it itches it's way melting down.
(Thought of this real quick sorry if it sounds a bit weird.)
I think that there is an error in the answer options.
Rather than farmer:microscope, it should be scientist:microscope.
A librarian is a person who handles tangible objects of the job.
Likewise, a scientist is a person who handles the tangible object of a microscope.
Answer: B) Scientist: Microscope
a person killed or injured in a war or accident.