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Federalism is , however , opposed by Sinhalese Buddhist nationalist groups who advocate for a continued unitary state with minimal cultural concessions to the Sri Lankan Tamils .
 location: Sri
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: Sri 
Answer:
 location: Sri