294915
In September 2009 , the orchestra announced the extension of Harding 's contract as principal conductor through 2012 .
 person: Harding
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: Harding 
Answer:
 person: Harding