Goal and options: how to fake a window shadow?

OPTIONS:
- cut out shapes in a piece of cardboard.
- use a light bulb and a piece of led strip lighting.
output answer: cut out shapes in a piece of cardboard.

Goal and options: To get the best deals at the grocery store,

OPTIONS:
- sign up for their credit card, if they have one.
- sign up for their rewards card, if they have one.
output answer: sign up for their rewards card, if they have one.

Goal and options: keep the kitchen clean while cooking

OPTIONS:
- hire someone to clean up afterwards.
- clean as you go
output answer:
clean as you go