Goal and options: What materials are needed to make a homemade boot brush?
output answer: Sheet metal screws, construction screws, scrub brushes and plywood

Goal and options: how to change a lightbulb
output answer: Turn Off The Power. Never attempt to change a light bulb with the power still connected. Allow The Bulb To Cool, Use A Ladder if necessary, Remove The Old Bulb, Insert The Replacement Bulb, Switch On The Power, Dispose Of Your Old Bulb.

Goal and options: How do you keep insects out of a garden?
output answer:
Planting onions or garlic are natural insect repellents.