99150
Ms. Franca Cristiano and Mr. Jimmy Giannacopoulos are vice principals at the senior campus , and Mr. Chris Brown and Mr. George Koustoulis are their counterparts at the junior campus .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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