- Centimeter is usually used to measure short length
- A string is short in length
- Hence, centimeter is a better unit to measure the length of the string

So, centimeter is a better unit to measure the length of the string
Question
A student wants to cut a piece of string for a class activity. The length of the string is measured BEST in which units?

Context
- Centimeter is usually used to measure short length 
- A string is short in length