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He served as Chairman of the Conservative Party from 2012 to 2015 , also holding the title of Minister without Portfolio in the Cabinet Office .
 organization: Conservative Party; location: Portfolio; organization: Cabinet Office
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Conservative Party; location: Portfolio; organization: Cabinet Office