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In April 2008 at age 29 she was invited to join Fellowship of the Royal Society of Arts in London , the 250 years old organisation which has been at the forefront of economic , political , social , artistic thinking , a catalyst for constructive change .
 organization: Royal Society of Arts
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: Royal Society of Arts 
Answer:
 organization: Royal Society of Arts