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: What is the government like?
What can you tell me about Cambodia?
I don't know but in November 2017, the U.S. cut funds to help clear unexplored ordinance including land mines and chemical weapons in Cambodia which it had dropped during the Vietnam War.
What is its geography like?
Cambodia has an area of 181,035 km2 and lies entirely within the tropics between latitudes 10 " and 15 " N, and longitudes 102 " and 108 " . It borders Thailand to the north and west, Laos to the northeast, and Vietnam to the east and southeast.
Solution:
Cambodia has an area of 181,035 km2 and lies entirely within the tropics between latitudes 10 " and 15 " N, and longitudes 102 " and 108 " . It borders Thailand to the north and west, Laos to the northeast, and Vietnam to the east and southeast.