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In a statement , Diller - - who took on the " provisional " role at the top of Vivendi ' s US entertainment operations in December - - said his USA Interactive group will nonetheless remain a shareholder of Vivendi Universal Entertainment .
 US, Vivendi, Vivendi ' s US entertainment operations, his USA Interactive group, USA Interactive, a shareholder of Vivendi Universal Entertainment, Vivendi Universal Entertainment, Diller - - who took on the " provisional " role at the top of Vivendi ' s US entertainment operations in December, who, his
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:
 US, Vivendi, Vivendi ' s US entertainment operations, his USA Interactive group, USA Interactive, a shareholder of Vivendi Universal Entertainment, Vivendi Universal Entertainment, Diller - - who took on the " provisional " role at the top of Vivendi ' s US entertainment operations in December, who, his