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The Centennial Hall ( main hall ) contains Sydney Town Hall Grand Organ , the world 's largest pipe organ with tubular pneumatic action , built from 1886 to 1889 and installed in 1890 by the English firm of William Hill & Son .
 location: Sydney
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: Sydney 
Answer:
 location: Sydney