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 to keep brown sugar from going hard?
answer:
Pour the brown sugar into a container and place a slice of bread or a marshmallow into the container to preserve the softness and prevent hardness


question:
To remove all the hair from a barbie doll.
answer:
Use scissors to cut the hair as short as you can. Use tweezers to remove the rest of the hair.        Put the tweezers in the head, grab whatever hair you can and yank it out.        Keep going until all of the hair has been removed.


question:
How can you clear rust off a screw or nut head?
answer:

Pour Coca Cola on it, let sit a few min, then clean off, repeat until rust removed from grooves of the head of the screw.