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: It is a city of Russia. Also, Saint Petersburg has a single chamber legislature which is the city's regional Parliament.
Very informative. Thanks for answering my questions.
Do you know how long a governor is able to stay in office?
I do not know. But Russian President has backed Matviyenko for the position of Speaker to the Federation Council of the Federal Assembly of the Russian Federation.
I didn't realize it was in Russia. What is their Government like there?
Solution:
It is a city of Russia. Also, Saint Petersburg has a single chamber legislature which is the city's regional Parliament.