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He was the brother of Professor K. N. Seneviratne , Professor of Medicine and founder director of Sri Lanka 's Postgraduate Institute of Medicine .
 person: K. N. Seneviratne; 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: K. N. Seneviratne, Sri Lanka 
Answer:
 person: K. N. Seneviratne; location: Sri Lanka