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. 

To easily blow up balloons for a party,
use a bicycle pump.

What is the best way to check if a baby's milk isn't too hot?
Sprinkle a few drops on the inside of your wrist to check the temperature.

Build a sand castle.

Fill a bucket with sand and turn it upside down, then gently remove the bucket. Add decorations to simulate a castle.