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: 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?
Solution is here: Nmbia is a country in southern Africa.
Explanation: This is a good example. The output is the response to the question asked by the user.

Now, solve this: Nice. What's the literacy rate like? Would you have that info?
I don't. but I can tell you that Ottawa is known as one of the most educated cities in Canada, with over half the population having graduated from college and/or university. I can also tell you that they have the highest per capita concentration of engineers, scientists, and residents with PhDs in Canada. So, I think it's safe to say that they're literacy rate is pretty high.
Wow, that's all I really need to know! You've been helpful.
No problem. Ottawa is on the south bank of the Ottawa River and contains the mouths of the Rideau River and Rideau Canal. It connects the Saint Lawrence River on Lake Ontario at Kingston to the Ottawa River near Parliament Hall.
Tell me more.
Solution:
No problem. Ottawa is on the south bank of the Ottawa River and contains the mouths of the Rideau River and Rideau Canal. It connects the Saint Lawrence River on Lake Ontario at Kingston to the Ottawa River near Parliament Hall.