Given the task definition and input, reply with output. In this task, you are given dialogue, and you have to find the most critical location in the given conversation.

I would like to know about Atlanta, especially is transportation.
hello, well Atlanta is the capital of Georgia and is the largest city in Georgia. The MARTA, or the Metropolitan Atlanta Rapid Transit Authority, provides public transportation.
So the MARTA is subway like transportation system?
It is actually a few things, like buses, heavy rail, and a downtown light rail loop/
Oh, I see the MARTA is a combination of various types of transportation and MARTA is just the name given to it collectively.
yes that is correct. Is there anything else you would like to know?
Yes, I would like to know what the demographics are for Atlanta.
Atlanta has numerous ethnic Christian congregations, including Korean and Indian churches!
What is the largest ethnic population of Atlanta?
African American is the largest ethnic population of Atlanta.
I thought so, but wasn't sure. Thank you for that information. Do you know what the dominate age group is for Atlanta?
I actually do not know much about the age groups in Atlanta but I can tell you some more history if you would like.
That is OK. Thank you for your help.
You're very welcome, I am here if you need anything else!
Atlanta