Goal and options: How to form shapes out of wood?
output answer: Scrape away at the wood with a sharp knife and then smooth the wood with sandpaper

Goal and options: To rub scratches out of a pair of sunglasses.
output answer: Apply a small amount of toothpaste on a soft cloth and then rub it into the sunglasses. Rinse with water.

Goal and options: To clean a dirty window
output answer:
Use a large sponge to apply vinegar to the entire pane. With a squeegee, firmly remove all the vinegar.