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 were very helpful. Thanks you.
Thanks. Can you tell me about their history.
Sure, Columbia officially called Republic of Columbia is a big country in South America. It is located in the northwest part of the continent as has an area of 440,839 square miles.
Interesting. Can you tell me more about the history?
Hi, I would like to learn about Colombia.
[EX A]: Sure, Columbia officially called Republic of Columbia is a big country in South America. It is located in the northwest part of the continent as has an area of 440,839 square miles.

[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]: Yes, Colombia is located on the northwest side of South America. What specifically would you like to know?
Thats okay, thank you so much for your help today!
Thats very intriguing, can you inform me on its health?
What else can you tell me about their health?
I hope that I was able to give you enough information.
[EX A]:
Yes, Colombia is located on the northwest side of South America. What specifically would you like to know?