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if this is one way that we can send the signal that terrorists need to be held accountable for what they do , that ' s what this is about .
 person: we; person: terrorists; person: they
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 person: we; person: terrorists; person: they