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Hans-Dietrich Froese was born on October 9 , 1937 , in the now-vanished state of East Prussia , the son of a prosperous cheesemaker , outside the town of Tilsit , which is now Sovetsk in western Russia .
 location contains: East Prussia, Sovetsk; location contains: Russia, Sovetsk
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:  East Prussia, Sovetsk; Russia, Sovetsk 
Answer:
 location contains: East Prussia, Sovetsk; location contains: Russia, Sovetsk