Question: What does setting `aria-live=polite` on a live region achieve?

1. The screen reader will not notify the user of changes to live regions.
2. The screen reader will wait until there is a pause to announce changes.
3. The screen reader will announce all changes immediately.
4. The screen reader will use a polite voice when announcing changes.

Answer: The correct answer of the above question is Option B:The screen reader will wait until there is a pause to announce changes.