Goal and options: How can you find out what someone really wants for their gift?
output answer: Tell them you already got their gift, then they'll try to guess, when they guess make note of what they say (You'll get great ideas).

Goal and options: How to make a custom mannequin for yourself cheaply.
output answer: Cover your body with duct tape, sticky side up and then add another layer sticky side down, then fill it with expanding foam and you have your mannequin.

Goal and options: Where to buy wood for a simple bookshelf.
output answer:
Home Depot can pre-cut most kinds of wood for craft projects.