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He did his undergraduate studies at the Massachusetts Institute of Technology ( 1949 – 53 ) , and received a PhD in mathematics from Cornell University ( 1953 – 7 ) .
 organization: Massachusetts Institute of Technology; organization: Cornell University
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Massachusetts Institute of Technology, Cornell University 
Answer:
 organization: Massachusetts Institute of Technology; organization: Cornell University