You will be given a definition of a task first, then some input of the task.
In this task, you are given dialogue, and you have to find the most critical location in the given conversation.

Hi, can you tell me about Saint Petersburg
Sure! Saint Petersburg is a city in northwestern Russia. It is the second biggest city in the country, where over 5 million people live.
How is the economy of the city
Economically, Saint Petersburg is home to 3 large seaports: Kronstadt, Bolshoi Port and Lomonosov.
What factors contribute to the economy of Saint Petersburg.
For one, construction is an influential industry there, specifically housing, commercial and road construction. The city has the 2nd largest construction industry in Russia.
What can you tell me about infrastructure in Saint Petersburg
You might find it interesting to know that Saint Petersburg is connected to many international cities by railway, including Helsinki, Finland, and Berlin, Germany.
Do you have information on transportation in the city
Yes, in fact, the Metro in Saint Petersburg is a rapid underground transit system that carries 2.3 million passengers everyday. This railway was constructed in 1955 and has 5 lines and 69 stations.
Can you give me any more interesting information about Saint Petersburg
How about the Saint Petersburg Mint? It is one of the largest mints in the world, producing Russian coins, medals and badges. It was founded in 1724.
Thank you so much for your help today
You're welcome!
Output:
Saint Petersburg