In this task, you are given dialogue, and you have to find the most critical location in the given conversation.

Hello, can you tell me about South America?
South America ranks fourth in area.
Okay. Do they have any notable geographical features?
Brazil is the largest country.
Alright. Are there any other sizable countries in South America?
The second largest country is Columbia.
What about infrastructure there?
The two main merchant fleets belong to Brazil and Argentina.
Okay...is there any other infrastructure in South America?
There are only two continental.
South America