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Udayana Warmadewa was the father of Airlangga , another famous Balinese king , who also ruled over the island of Java .
 Udayana Warmadewa, Airlangga
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Udayana Warmadewa, Airlangga