<human>: Which of the following solutions is better for the following goal:
To prevent noisy kitchen sinks

OPTIONS:
- 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.
<bot>: 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.