instruction:
In this task the focus is on physical knowledge about the world. Given the provided goal task in the input, describe a process that would lead to the asked outcome. This process often involves physical motions with objects, such as moving them, arranging them in a certain way, mixing them, shaking them, etc. 
question:
How can I figure out if something is economical?
answer:
Look up its effect on your wallet, as well as the nessary materials to build it.


question:
To attach a piece of paper to itself to make the lid for a paper box, you can
answer:
Use a glue stick to hold the paper in place


question:
To make sure that the doors of your car are locked.
answer:

Hit the lock button with your finger until you hear the car horn beep slightly.