375371
A harmonised service of social value is a type of freephone service available in the European Union , which answers a specific social need , in particular which contributes to the well-being or safety of citizens , or particular groups of citizens , or helps citizens in difficulty .
 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