The room itself is quite spacious and has everything you'll need already, a bed, a bathroom, a desk, whatever basic amenities you can think of. I'll even let you bring in a few hobby or craft items for free. As for your three things, here are the rules:
- Your choices cannot be used to let you out or to help you get out. You can't ask for freedom or for any way to break down the walls or whatever.
- If the item in question has a battery or a limited quantity to it, for example a phone, it will either last forever or infinitely replenish itself. You don't need to worry about that.
- Sets of related items are allowed and will be treated as one choice. For example, a gaming setup composed of multiple different devices or consoles will be treated as one object, but a set containing a computer, a dog, and a large quantity of books are not one single choice.