Solving Puzzle 39 in "Curious Village" — Need More Details

"Curious Village" appears in multiple puzzle contexts. To solve Puzzle 39, I need to know which game/book/app you mean.

Common "Curious Village" Puzzles

• Professor Layton and the Curious Village (DS/3DS/Switch/Mobile): Puzzle 039 = "The Umbrella" (US) / "Umbrella" (UK). Answer: 1 (only one person has an umbrella — the one holding it).
• Curious Village (Mobile puzzle app by different devs): Many clones exist.
• Puzzle books / magazines: "Curious Village" as a theme.
• Escape room / board game: Physical/digital hybrid.

If It's Professor Layton Puzzle 039

Puzzle: "Four people walk in rain. Three get wet. One doesn't. Why?"
Answer: One is holding the umbrella. (Trick: the other three share it? No — only one has it.)

If it's a different "Curious Village," reply with:

• Platform (DS, phone, PC, book, board game)
• Full puzzle text
• Any numbers, images, rules given

I'll solve it step by step.