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Dedigama is an electorate once represented by Dudley Senanayake ( former Prime Minister ) in Kegalle District , Sri Lanka .
 person: Dudley Senanayake; location: Sri Lanka
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: Dudley Senanayake, Sri Lanka 
Answer:
 person: Dudley Senanayake; location: Sri Lanka