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:
How do you vacuum detritus off the surface of the sandbed in an aquarium?
answer:
The easiest way to clean detritus from the sand in an aquarium is to use a long, flexible piece of plastic tubing. Start a syphon, and use the tubing to vacuum the bottom, syphoning the dirty water and detritus into a bucket to be disposed of.


question:
a mop
answer:
cleans the floor 


question:
How do I dry boiled potatoes?
answer:

Drain and place on a paper towel on the counter.