Goal and options: Kevlar
output answer: can be worn in layers to protect against bullets

Goal and options: Keep nail polish from chipping.
output answer: Use at least two coats of nail polish on each nail, taking care to cover the edge of the nail. Cover the two coats in one coat of clear nail polish. Let sit for 30 minutes.

Goal and options: To bake a potato,
output answer:
warp the potato in aluminum foil, poke some holes in it, then place in the oven at 400 degrees until done.