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some missouri voters are not sure social security will be there for them , so they are ready to take a risk .
 missouri, some missouri voters, them, they
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:
 missouri, some missouri voters, them, they