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Nikkanen won gold medal in 2007 European Junior Championships ( 4.35 metres ) and silver medal in 2009 European U23 Championships ( 4.45 metres ) .
 person: Nikkanen
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Nikkanen