279093
The 1961 Commonwealth Prime Ministers ' Conference was the eleventh Meeting of the Heads of Government of the Commonwealth of Nations .
 organization: Commonwealth; organization: Commonwealth of Nations
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: Commonwealth, Commonwealth of Nations 
Answer:
 organization: Commonwealth; organization: Commonwealth of Nations