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.

The Russian Empire took over Siberia ad most of Central Asia by the end of the 19th century after invading in the 17th century.
I'm not familiar with the Dalai Lama. What can you tell me about it?
You're very welcome!
Hello. Could you give me a background on Asia?
Cool. I bet since it is the oldest known civilization tourism is extremely popular. What can you tell me about Tourism?
The Russian Empire took over Siberia ad most of Central Asia by the end of the 19th century after invading in the 17th century.