83598
As an undergraduate at Harvard University he regularly played poker with his classmate Bill Gates .
 organization: Harvard University; person: Bill Gates
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: Harvard University, Bill Gates 
Answer:
 organization: Harvard University; person: Bill Gates