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Sergio Sighinolfi ( April 25 1925 , Modena - September 7 1956 , San Venanzo ) was an Italian racing driver .
 Modena, San Venanzo, Italian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Modena, San Venanzo, Italian