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He later moved to the United States , earning a PhD from the University of Chicago and studying electrical engineering at the Massachusetts Institute of Technology .
 organization: University of Chicago; organization: Massachusetts Institute of Technology
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 Chicago, Massachusetts Institute of Technology 
Answer:
 organization: University of Chicago; organization: Massachusetts Institute of Technology