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From there , he went to visiting positions in Oxford and Ghent University .
 location: Oxford; organization: Ghent University
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: Oxford, Ghent University 
Answer:
 location: Oxford; organization: Ghent University