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Greek conservative New democracy party picked Bold / Ogilvy and Mather advertising companies for its pre-election campaign and Spot Thomson to help party president Miltiadis Evert on communication strategy , it said in a statement .
 New democracy, Bold / Ogilvy and Mather, Miltiadis Evert, Spot Thomson, Greek
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 New democracy, Bold / Ogilvy and Mather, Miltiadis Evert, Spot Thomson, Greek