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He interned with U.S. Department of Health and Human Services Health Care Financing Administration , and United States Senator Paul Simon .
 Department of Health and Human Services Health, Administration, Paul Simon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Department of Health and Human Services Health, Administration, Paul Simon