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He later said he had restrained himself for a long time from writing any Let 's Impeach the Presidents , waiting for someone younger , with a different perspective , but no one seemed to be saying anything .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None