Goal and options: how to do spin painting
output answer: place your canvas on a pottery wheel, and slowly drip the paint as its spinning.

Goal and options: To make small circular pieces of duct tape for later use.
output answer: Use wax paper as backing to duct tape.

Goal and options: How do you clean a litter box?
output answer:
Empty all of the litter out of the box and fill the box with 1/2 inch of vinegar. Let the vinegar sit for 15 minutes. Mix some warm water into the vinegar and scrub the box, and then dump out the mixture.