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In another reminder of how bumpy democracy can be , when a former Russian spy , Alexander Litvinenko , died of radiation poisoning in London , many in the West assumed that higher-ups in the Russian government were responsible .
 place of death: Alexander Litvinenko, London
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:  Alexander Litvinenko, London 
Answer:
 place of death: Alexander Litvinenko, London