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:
One wants very runny eggs.
answer:
One should make eggs Florentine.


question:
How to get rid of the black bars on the top or sides of the movie?
answer:

Change the screen settings on your TV or video player to stretch the picture to fit the screen.