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Following a request by the government of Guinea-Bissau , Angola sent there a contingent of about 300 troops meant to help putting an end to the political-military unrest in that country , and to reorganize the local military forces .
 Guinea-Bissau, Angola
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Guinea-Bissau, Angola