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.

Hello, Im interested in learning some information about Karachi. Could you help me?
Approximately 2.5% Karachi's population is Christian
That is good to know could you tell me about their Education System.
Karachi's first pubic university's date from the British Colonial era
Do you have any additional Information about that?
The University of Karachi, founded in 1951, is Pakistan'a largest university with a student population of 24,000
Interesting. Could you tell me about the geography of Karachi?'
Karachi and the urban areas of Sindh have some of the world's highest records of Water scarcity
What else could you tell me about its geography?
Karachi is located on the coastline of Sindh province in southern Pakistan, along a natural harbour on the Arabian Sea
I believe that is all the questions I have for you today. Thank you for your help!
Your welcome
Karachi