Goal and options: For an inexpensive book holder
output answer: Use a pants hanger.

Goal and options: how to remove stains from ceramic tiles
output answer: Mix equal parts distilled white vinegar and water in a bottle and spray it generously onto tiled surfaces. Allow to sit for a few minutes before scrubbing with a brush or sponge. Extra tough stains may require the combined action of baking soda and vinegar.

Goal and options: How do you clean a bowl?
output answer:
Place the bowl in the sink. Use water from the faucet to rinse out most of the contents. Use a sponge with soap to scrub the surface. Rinse off the soap with water. Place the bowl in a dish rack.