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Britain 's Chris Boardman fulfilled his prediction that he would break the world 4,000 metres world record in the world track cycling championships on Wednesday .
 person: Chris Boardman; location: Britain
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Chris Boardman, Britain 
Answer:
 person: Chris Boardman; location: Britain