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He earned an LL . B. from Osgoode Hall Law School at York University in 1983 , and a LL . M. from the London School of Economics in 1985 .
 organization: Osgoode Hall Law School; organization: York University; organization: London School of Economics
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: Osgoode Hall Law School, York University, London School of Economics 
Answer:
 organization: Osgoode Hall Law School; organization: York University; organization: London School of Economics