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:
Use the sun and a magnifying glass to start a fire.
answer:
On a sunny day, hold the glass above something that will burn easily.  Use a dry leaf of a piece of paper.  Move the glass so the suns rays focus on the paper.


question:
How to make a simple firestarter without access to wood or paper?
answer:
Place a stack of pringles dispersed at the base of your firewood and light it, the pringle will burn for a long time


question:
how do you investigate something?
answer:

search it.