Third person plural pronoun is THEY.
If you want to create a possessive pronoun out of that one, that would be THEIRS.
Possessive pronouns, as the name itself says, determine some kind of possession. For example:
Is this books yours? - No, it's theirs.
Yes you can! Two men can address each other as that.
Answer:
Maps of vietnam
Explanation:
Vietnam is mentioned only briefly, as the place where the narrator's brother is living.
This is probably more of a soul searching confession than an answer. I do this too. I am always in the look out for new movies, books and quotes of wisdom. I have accumulated such a humongous collection of e-books and movies that I would probably will never be able to finish them if I gave up everything and only binge-watched or binge-read. I keep browsing GoodReads, IMDB, Quora and the likes, for highly rated books , movies, etc.
