Goal and options: remove fingerprints from walls.
output answer: rub fingerprints with a slice of white bread.

Goal and options: Sand a sled for future use
output answer: using a piece of rough sandpaper, rub the sandy part against the wood with the grain- along the wood until smooth

Goal and options: To smash up Oreos to put in ice cream.
output answer:
You can put the Oreos into a mixing bowl and use your hands to crumble them to pieces.