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.

[EX Q]: You are so welcome. Enjoy the rest of your day.
Cool. Can you tell me about some of the history?
Hi, I would like to learn more about Houston. Do you have any info you could share?
Cool. Thank you for all your help today!
Sure. Houston is the fourth largest city in the U.S.
[EX A]: Sure. Houston is the fourth largest city in the U.S.

[EX Q]: Interesting. How does its infrastructure work?
Hi there! Scotland is 1 of 4 countries that makes up the United Kingdom.
I would like some information on Scotland
Unfortunately, I don't have access to that information. Would you like to learn about another subject?
So do most people use the railway system?
[EX A]: Hi there! Scotland is 1 of 4 countries that makes up the United Kingdom.

[EX Q]: Can you tell me about the culture of Abkhazia?
The demographics of Abhazia were very strongly affected by the 1192-1993 conflict with Georgia, which saw the expulsion and flight of over half the population.
That wasn't that long ago. Can you tell me more about the culture?
Wow that's bad. Do you know the population now?
Okay, can you tell me about the demographics?
[EX A]:
The demographics of Abhazia were very strongly affected by the 1192-1993 conflict with Georgia, which saw the expulsion and flight of over half the population.