TASK DEFINITION: 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. 
PROBLEM: To clean old CDs that are scratched and dirty so that they continue to work,

SOLUTION: rub the CDs with toothpaste, a clean rag and cold water afterwards.

PROBLEM: To remove all the hair from a barbie doll.

SOLUTION: 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.

PROBLEM: How to unclog hair out of a bathroom sink?

SOLUTION:
Use thin long metal sticks or rods to carefully pick the hair from the sink.