Finish the following sentence with the best choice: To prevent noisy kitchen sinks

Choices:
- If your kitchen sinks make a lot of noise when you pour water or put dishes into them, fill the gap between them with a metal spring.
- If your kitchen sinks make a lot of noise when you pour water or put dishes into them, fill the gap between them with expanding foam.

Answer:
If your kitchen sinks make a lot of noise when you pour water or put dishes into them, fill the gap between them with expanding foam.