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:
To prevent water from growing bacteria, you can
answer:
Use a small amount of vinegar or bleach


question:
fertilizer
answer:
can be used for  growing plants 


question:
What type of tomato should I add to ground beef when making meat sauce?
answer:

Add in a jar of store bought tomato sauce and stir.