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From the program 's inception through 2009 , the camp was held at George Mason University ; from 2010 through 2015 , the camp was held at Purdue University .
 organization: George Mason University; organization: Purdue 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: George Mason University, Purdue University 
Answer:
 organization: George Mason University; organization: Purdue University