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The Kains didn ' t open the second envelope but assumed it also was a ballot since both were marked with the words ` ` Official ballot _ do not delay . ' '
 The Kains
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:
 The Kains