Goal and options: how to prevent frizzy hair
output answer: dry your hair with an old t-shirt

Goal and options: Determine if a metal is ferrous or nonferrous
output answer: Use a magnet. A ferrous metal will be attracted to the magnet.

Goal and options: To remove an eyelash from your eye,
output answer:
Twist a little toilet paper and try to latch on to it and pull it out.