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He also said that Russia joined NATO 's peace partner relation program recently , and signed a partner relation and co-operation agreement with the European Union , both of which are " important components for building up a European Plaza " .
 Russia, NATO, the European Union, European
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Russia, NATO, the European Union, European