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In 1955 , Spertzel earned a Bachelor of Arts in microbiology at the University of Pennsylvania .
 person: Spertzel; organization: Pennsylvania
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: Spertzel, Pennsylvania 
Answer:
 person: Spertzel; organization: Pennsylvania