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Republican Freeholder Steve Oroho and Assemblyman Guy R. Gregg both announced that they would pursue the Republican nomination for Littell 's Senate seat in the June 2007 primary .
 Republican, Steve Oroho, Guy R. Gregg, Republican, Littell
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Republican, Steve Oroho, Guy R. Gregg, Republican, Littell