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Campaign director Mark Horn , a Conservative Party member for 23 years who resigned as a county councillor in 2008 , stood in Grantham and Stamford , receiving 929 votes ( 1.8 % ) .
 None
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:  
Answer:
 None