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The original passage by Keynes reads : William Safire published an article " On Language : ' Animal Spirits ' ” in the New York Times on March 10 , 2009 , stating : It has also been suggested that Keynes may be referring to David Hume 's term for spontaneous motivation although it is not mentioned in the Treatise of Human Nature .
 person: Keynes; person: William Safire; organization: New York Times; person: Keynes; person: David Hume
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: Keynes, William Safire, New York Times, Keynes, David Hume 
Answer:
 person: Keynes; person: William Safire; organization: New York Times; person: Keynes; person: David Hume