Goal and options: To charge the battery of a smartphone,
output answer: you should plug a USB cable in a power supply, plug the supply in an outlet, plug the cable into the wireless charging pad and lay the phone on it.

Goal and options: how do you use a sleeping bag?
output answer: sleep inside of it

Goal and options: How to find a good book to read?
output answer:
You can research what the best sellers are and see if any of them catch your interest.