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He was elected as a Democrat to the twenty-fifth Congress ( March 4 , 1837 – March 3 , 1839 ) , after which he did not run for reelection .
 organization: Democrat; organization: twenty-fifth Congress
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Democrat; organization: twenty-fifth Congress