Goal and options: No can opener and a can of beans.
output answer: Find a rock or cement surface, needs to be rough. Rub the top of the can over and over against this rough surface until the joining seam has been filed completely away and now you can open the can.

Goal and options: To crush a clove of garlic, you can
output answer: Use a metal cooking mallet

Goal and options: To help your child feel less afraid when they're going to sleep,
output answer:
give them a little stuffed animal to cuddle.