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.
One example is below.
Q: Hi. I want information about Namibia. 
 Nmbia is a country in southern Africa. 
 Do you have information about the media there? 
 What about it? 
 Interesting! What can you tell me about the politics and government?
A: Nmbia is a country in southern Africa.
Rationale: This is a good example. The output is the response to the question asked by the user.
Q: Liberia is one of three countries that have not used the System of Units (metric system). 
 Do they have any cultural festivals? 
 That's cool. What can you tell me about their culture? 
 Please tell me about their demographics. 
 Thanks for the info. It was very educational.
A:
Liberia is one of three countries that have not used the System of Units (metric system).