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The Truman Committee proved to be one of the most successful investigative efforts ever mounted by the US government : an initial budget of $ 15,000 was expanded over three years to $ 360,000 to save an estimated in military spending , and thousands of lives of US servicemen .
 Truman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Truman