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  get rid of rough feet.
answer:
Rub feet using a pumice stone every day after taking a shower.


question:
What type of chainsaw should I use to cut down a very thick tree?
answer:
A gas powered chainsaw should be used to cut down a very thick tree as it has more power and can be used for longer at a single time than an electric powered chainsaw.


question:
Prevent fleas in house.
answer:

Place liquid soap in bowl of water under light source to attract and drown fleas.