That way you know what kind of audience your writing for you can use different words with a lot more complexity. its completely different writing for kindergarteners and writing a paper for a college seminar.
Hope this answered your question.
Researchers are someone who searches about someone and learns about someone's daily lives or talents.
Starting with A it might describe the main character but can you tell who the main character is? For B. it seems likely since he is dying and that was the strong point of the poam. but for C. it has nothing to do with more of a Setting feel. then something more with character and something being solved. B is most likely for how I can see it.
The Lilliputians inhabit the first island Gulliver visits. They all stand about six inches tall, with proportionally tiny buildings and trees and horses. The Lilliputians are ruled by an Emperor who appoints his high court officials according to their skills with rope dancing rather than their actual abilities
hope it helps you