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When he introduced his " simple , easy and harmonious " Nal Bino language in 1886 , Verheggen made a passionate plea for the governments of the civilized nations of the world to meet and agree on one universal language , in the same way that they agreed on standards for post and telecommunications .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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