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Ryazanov placed third on parallel bars at the 2008 Moscow World Cup and 8th on rings at the 2008 European Men 's Artistic Gymnastics Championships in Lausanne , Switzerland .
 Ryazanov, Lausanne, Switzerland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ryazanov, Lausanne, Switzerland