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During the 1909 – 1913 presidency of William Howard Taft , Lefèvre served as ambassador to a number of countries including Italy , Spain , and France .
 William Howard Taft, Lefèvre, Italy, Spain, France
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 William Howard Taft, Lefèvre, Italy, Spain, France