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Before enrolling at RIT as a Business/Finance major , he played four seasons for the Stouffville Spirit of the Ontario Provincial Junior Hockey League .
 Stouffville Spirit, Ontario, Hockey
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Stouffville Spirit, Ontario, Hockey