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Helm was educated at Worcester College , Oxford , and has also taught at the University of Liverpool .
 person: Helm; organization: Worcester College , Oxford; organization: University of Liverpool
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: Helm, Worcester College , Oxford, University of Liverpool 
Answer:
 person: Helm; organization: Worcester College , Oxford; organization: University of Liverpool