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Andrew Duncan ( 1834 – 10 December 1880 ) was Mayor of Christchurch 1869 – 1870 .
 person: Andrew Duncan; location: Christchurch
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: Andrew Duncan, Christchurch 
Answer:
 person: Andrew Duncan; location: Christchurch