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On the other hand , I have yet to see any Democrats challenge incumbents for being fiscally irresponsible .
 person: I; person: Democrats; person: incumbents
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
 Entities: I, Democrats, incumbents 
Answer:
 person: I; person: Democrats; person: incumbents