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His education was begun at Harrow , whence he went to Merton College , Oxford .
 organization: Harrow; organization: Merton College; location: Oxford
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: Harrow, Merton College, Oxford 
Answer:
 organization: Harrow; organization: Merton College; location: Oxford