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Kamehameha II and his Queen Kamāmalu died in 1824 while in London trying to see the King of Great Britain .
 Kamehameha, Queen Kamāmalu, London, Britain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kamehameha, Queen Kamāmalu, London, Britain