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In 1870-72 , John Marius Wilson 's Imperial Gazetteer of England and Wales described Welburn like this : It had a population of 516 according to the 2011 census .
 location: Welburn
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: Welburn 
Answer:
 location: Welburn