Given the task definition and input, reply with output. In this task, you are given dialogue, and you have to find the most critical location in the given conversation.

Hello! I would like to learn about about Ukraine especially about its economy and history but I would love to learn about the economy first please?
Hello, in Soviet times, the economy of Ukraine was the second largest in the Soviet Union, being an important industrial and agricultural component of the country's planned economy.
Thank you for that enlighten information! May you teach me another interesting fact about Ukraine economy please?
With the dissolution of the Soviet Union system, the country moved from a planned economy to a market economy.
Thank you! I didn't know that. May I hear one more fact about Ukraine's economy and then switch to hearing about Ukraine's history please?
In addition to it's flag carrier, Ukraine has a number of airlines including Windrose Airlines, Dniprovia, Azur Air Ukraine, and AtlasGlobal Urkraine.
Interesting fact! May I hear more please?
Urban populated places are split further into cities and wrbanp-type settlements ( a Soviet administrative invention), while rural polulated places consists of villages and settlements.
Thank you! May you continue teaching me about Ukraine's history please?
Ukraine became a founding member of the Union of Soviet Societ Socialist Republics in December 1922.
Awesome! That is all the information I needed for today.
My pleasure!
Ukraine