Fact 1: Adoorbell converts electrical energy into sound.

Fact 2: After a beat, the door chime sounds.

Given the two facts above, answer the question "What does a doorbell convert electrical energy into?" with the following options: 
- light
 - heat
 - energy
 - a shockwave
 - organ
 - messengers
 - waves
 - a chime


 

        a chime 