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The ECPM member parties have two Members of the European Parliament , Peter van Dalen of ChristianUnion who sits with the European Conservatives and Reformists and Bas Belder of the Dutch Reformed Party who sits with the Europe of Freedom and Democracy .
 Peter van Dalen, ChristianUnion, Bas Belder, Dutch Reformed Party
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Peter van Dalen, ChristianUnion, Bas Belder, Dutch Reformed Party