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He then worked as a lawyer in private practice and as a staffer for three United States Senators , Frank Moss of Utah , Robert F. Kennedy of New York , and Edward M. Kennedy of Massachusetts .
 organization: United States Senators; person: Frank Moss; location: Utah; person: Robert F. Kennedy; location: New York; organization: Edward M. Kennedy; location: Massachusetts
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: United States Senators, Frank Moss, Utah, Robert F. Kennedy, New York, Edward M. Kennedy, Massachusetts 
Answer:
 organization: United States Senators; person: Frank Moss; location: Utah; person: Robert F. Kennedy; location: New York; organization: Edward M. Kennedy; location: Massachusetts