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Set largely during the years of the Soviet occupation and control of Czechoslovakia , where the British-educated Mr. Stoppard was born , '' Rock 'n' Roll '' follows the entwined fortunes of Max -LRB- Brian Cox -RRB- , a Cambridge professor and devout member of the Communist Party , and his student disciple , Jan -LRB- Rufus Sewell -RRB- , a Czechoslovak who leaves Cambridge for Prague in 1968 in response to the arrival of Soviet tanks .
 country of capital: Czechoslovakia, Prague
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Czechoslovakia, Prague 
Answer:
 country of capital: Czechoslovakia, Prague