Complicating things is the fact that at least four of the prospective Democratic candidates are full-fledged members of Congress : Senators Obama of Illinois , Hillary Rodham Clinton of New York , Joseph R. Biden Jr. of Delaware and John Kerry of Massachusetts .
John Kerry
Massachusetts
/people/person/place_lived
ORGANIZATION
Congress
PERSON
Obama
LOCATION
Illinois
PERSON
Hillary Rodham Clinton
LOCATION
New York
LOCATION
Delaware
PERSON
John Kerry
LOCATION
Massachusetts