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

Fact 2: How the sounds are made Vibrating strings provide the sound in stringed instruments.

Given the two facts above, answer the question "Doing what can cause sound to be made in stringed instruments?" with the following options: 
- Movement
 - wind
 - striking
 - adding
 - playing
 - plucking
 - electrically
 - breaking


 

      plucking   