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ST . LOUIS ( AP ) _ As Republican George W . Bush and Democrat Al Gore prepared to perch on stools and take voters ' questions in a crucial third debate , the sudden death of Missouri Gov . Mel Carnahan cast a pall over their final meeting .
 ST . LOUIS, Missouri, AP, Republican, Democrat, Republican George W . Bush, Democrat Al Gore, voters, Missouri Gov, Missouri Gov . Mel Carnahan, their
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 ST . LOUIS, Missouri, AP, Republican, Democrat, Republican George W . Bush, Democrat Al Gore, voters, Missouri Gov, Missouri Gov . Mel Carnahan, their