Goal and options: How to remove smells from a musty basement or other lingering odors.
output answer: If simply opening the doors and windows doesn't remove the smells, you know their source is embedded more deeply. A treatment of ozone throughout the area will decontaminate and deodorize the area including rugs and walls in a few hours. Make sure there is no one in the house, and clear out the ozone before allowing people back in, by opening the doors and windows afterward.

Goal and options: What are the best topping to use on a pizza?
output answer: It all depends on what everyone like

Goal and options: How can you dye fabric in the washing machine?
output answer:
Buy the color dye you want and place in the washing machine basin.