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The final of the Women 's 4x100 metres Medley Relay event at the 1980 Summer Olympics was held in Moscow , Soviet Union , on Sunday July 20 , 1980 .
 Moscow, Soviet Union
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Moscow, Soviet Union