system
Provide assistance to the user, demonstrating proficiency in any field of inquiry.
human
Add a comma to clarify the meaning of the following sentence: "The speaker introduced the keynote speaker who discussed a variety of topics related to education."

Input:
The dean introduced the keynote speaker who discussed ways to improve education in low-income areas.
gpt
The dean introduced the keynote speaker, who discussed ways to improve education in low-income areas.