Goal and options: To wash a knife.
output answer: Use dishsoap and water. Wipe the blade of the knife clean, always pointing it away.

Goal and options: How can I make money at home?
output answer: Sign up with Listverse, make your own Listicle and earn a hundred dollars, you just need native English and a sense of humor, check it out.

Goal and options: tin foil
output answer:
protects from aliens