The Missing Necklace

Mrs. Smith's valuable diamond necklace has gone missing from her jewelry box. She suspects one of her four house guests is the thief. Can you solve the mystery and identify the thief?
House Guests:
Mr. Green, a wealthy businessman who loves to collect rare artifacts.
Miss Scarlet, an aspiring actress who enjoys attention and luxury.
Colonel Mustard, a retired military officer with a passion for puzzles and games.
Mrs. White, the housekeeper who has been working for the Smiths for over a decade.
Clues:
The thief is someone who had access to Mrs. Smith's room during the party.
The thief is not Mr. Green or Colonel Mustard.
Miss Scarlet was seen near Mrs. Smith's room during the party.
Mrs. White claims she never entered Mrs. Smith's room that evening.

Solution: Based on the clues provided, we can deduce that the thief must be Miss Scarlet. She was seen near Mrs. Smith's room during the party and had access to the room, making her the most likely suspect. Therefore, Miss Scarlet is the one who stole the diamond necklace.