Fact 1: Plucking a string can cause that string to vibrate.

Fact 2: All guitars produce sound through the mechanical vibration of strings.

Given the two facts above, answer the question "How does a guitar create sound?" with the following options: 
- electrically
 - mechanical
 - Amplifying it with electricity
 - The musician being trained
 - Tuning it properly
 - Plucking a string
 - Through play
 - lowered energy cost


 

      Plucking a string   