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.

Yes please. Any of its social history would be great.
Portugalov is one of the main figures involved in the implementation of Russian doping prior to the 2016 Summer Olympics. Would you like to know about the History in the Soviet Union?
Interesting. Yes please
Yes please
HI. Can you tell me about the social history of the Soviet Union
Portugalov is one of the main figures involved in the implementation of Russian doping prior to the 2016 Summer Olympics. Would you like to know about the History in the Soviet Union?