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WASHINGTON : US President  Barack Obama  attends the Senate  Democratic  caucus meeting with lawmakers on Capitol Hill to talk up the legislative agenda including his ambitious plans to overhaul the health care system .
 employee of: Barack Obama, Democratic
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 employee of: Barack Obama, Democratic