Given the task definition and input, reply with output. In this task, the input is a set of dialogues between a user and an assistant. You need to find the dialogue that is basically a response given to a question or an aspect of the user.

I see! Thank you for your time, I've learned a lot.
That's really very sad. Were there any other interesting facts you came across?
Can you tell me about their environmental issues now?
It's a country in Central Africa it was known as Zaire from 1971 to 1991. It is the second largest country in Africa and eleventh largest in the world.
You are welcome.
It's a country in Central Africa it was known as Zaire from 1971 to 1991. It is the second largest country in Africa and eleventh largest in the world.