Goal and options: How much paint do you need to paint a room?
output answer: One gallon can of paint will cover up to 400 square feet, which is enough to cover a small room like a bathroom. Two gallon cans of paint cover up to 800 square feet, which is enough to cover an average size room. This is the most common amount needed especially when considering second coat coverage.

Goal and options: If you download a PDF file and it's an exe file
output answer: delete it, it's a virus

Goal and options: jug
output answer:
can collect buttons in a closet