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His interview with Francis Ona , leader of the Bougainville Revolutionary Army , was released separately and widely broadcast in 1997 .
 Francis Ona, Bougainville Revolutionary Army
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Francis Ona, Bougainville Revolutionary Army