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 to reuse an ink pen if the ink runs out?
answer:
Refill the ink in the pen's catridge.


question:
a mop
answer:
cleans the floor 


question:
How to measure a cup with no measuring cup.
answer:

use a tblspn and fill 16 times. This will give one cup.