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He had his primary education at S. Thomas ' Preparatory School , Kollupitiya , followed by his Secondary education at Royal College Colombo and tertiary education at the Sri Lanka Law College , after which he joined the Attorney General 's Department as a State Counsel .
 organization: S. Thomas ' Preparatory School; organization: Royal College Colombo; organization: Sri Lanka Law College
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: S. Thomas ' Preparatory School; organization: Royal College Colombo; organization: Sri Lanka Law College