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 test batteries to see if they're any good,

SOLUTION: drop the batteries and see if they bounce once to see if they're good.

PROBLEM: how do you switch things out?

SOLUTION: replace one thing with another.

PROBLEM: cash

SOLUTION:
is stored pocket