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: Use the sun and a magnifying glass to start a fire.

SOLUTION: 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.

PROBLEM: television tray

SOLUTION: falls down the stairs 

PROBLEM: To cool a pie after you've cooked it in the oven.

SOLUTION:
Place the pie on the window sill, until it is  a little bit cooler.