81343
He was a visiting researcher at Stanford University 1980 – 1981 and at Massachusetts Institute of Technology 1985 – 1986 .
 organization: Stanford University; 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: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Stanford University, Massachusetts Institute of Technology 
Answer:
 organization: Stanford University; organization: Massachusetts Institute of Technology