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Still , though British organisers wanted it to be otherwise , no officials from any Commonwealth realm other than the UK would participate in the event itself ; the governments of those countries considered the ceremony to be a religious rite unique to Britain ; as Canadian Prime Minister Louis St. Laurent said at the time : " in my view the Coronation is the official enthronement of the Sovereign as Sovereign of the U.K. . .
 Commonwealth, Louis St. Laurent
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Commonwealth, Louis St. Laurent