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Byrne 2004 - 12 - 17T08 : 01 : 00 Gazprom , the main Russian gas company , has been denied a $ 10 billion credit line due to the political situation in Russia .
 Russian, Russia, Gazprom, the main Russian gas company, Byrne
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 Russian, Russia, Gazprom, the main Russian gas company, Byrne