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The city of Westfield features Westfield State University , founded by renowned education reformer Horace Mann .
 Westfield, Westfield State University, Horace Mann
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Westfield, Westfield State University, Horace Mann