Goal and options: How can I apply varnish to a large wooden surface?
output answer: Use a paint roller.

Goal and options: Polish sink and bath fixtures without special cleaning products.
output answer: Using a used dryer sheet, ball it up in your hand. Wet the ball under the faucet with cool water. Wring out the dryer sheet and use to polish sink and bath fixtures by rubbing gently across the surface. Rinse with cool water for a polished shine without using special cleaning products.

Goal and options: To reuse old garbage to help fertilize your garden,
output answer:
compact the organic garbage in a large bin and allow it to decompose for a while.