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He earned his Ph.D. at the University of South Florida in 1986 , with a thesis comparing diet and exercise in controlling hypertension .
 organization: University of South Florida
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: University of South Florida 
Answer:
 organization: University of South Florida