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Well , at the Pentagon briefing this afternoon , officials describing several units of the Republican Guard as effectively no longer being a credible fighting force .
 organization: Pentagon; organization: the Republican Guard; person: officials; person: several units of the Republican Guard; person: a credible fighting force
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 organization: Pentagon; organization: the Republican Guard; person: officials; person: several units of the Republican Guard; person: a credible fighting force