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.
Q: Wow! That's crazy! Is there anything else you can tell me? 
 Sure! Nambia is a country in southern Africa and is on the Atlantic coast. Their coastal desert is one of the oldest deserts in the world! 
 You're very welcome. 
 Hi, can you tell me a little about Namibia? 
 Wow, that's cool! Any fun facts you can share before I go?
A: 
Sure! Nambia is a country in southern Africa and is on the Atlantic coast. Their coastal desert is one of the oldest deserts in the world!