Question: What is the best way to quietly go up a set of creaky stairs?

  Options: 
 A. Step on the front vertical surface of the steps, it will be quieter and creak much less (this comes in handy if you are sneaking home).
 B. Step on the sides of the steps, it will be quieter and creak much less (this comes in handy if you are sneaking home).
Answer: B