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Many experts contend most of the world was at least technically wrong by bringing in the new millennium with massive celebrations last year .
 Many experts, most of the world, the world
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Many experts, most of the world, the world