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The 2014 Tour of Britain cycle race began in Liverpool on 7 September , utilising a city centre circuit to complete of racing .
 location: 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: Liverpool 
Answer:
 location: Liverpool