20499
Others include public integrity mechanisms , congresses , blogging and other new forms of media scrutiny , as well as cross-border parliaments and open methods of co-ordination , of the kind practised in the European Union .
 European Union
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 European Union