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:
What's the best material for a DIY walking stick?
answer:
A discarded tree branch.


question:
How do I make a PB&J?
answer:
Take bread, spread peanut butter on one side and jelly on the other, then place spread sides together.


question:
how do you reflect something?
answer:

put a mirror in front of it.