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Ethiopia competed at the 1980 Summer Olympics in Moscow , USSR .
 location: Ethiopia; location: Moscow; location: USSR
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Ethiopia, Moscow, USSR 
Answer:
 location: Ethiopia; location: Moscow; location: USSR