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Veteran Italian Gianni Bugno has been cleared of doping after testing positive for high levels of testosterone during the Tour of Switzerland in June , the Italian cycling federation said on Tuesday .
 Italian, Gianni Bugno, Italian, Tour of Switzerland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Italian, Gianni Bugno, Italian, Tour of Switzerland