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The U.S. federal government so far has made additional profits of $ 3.0 billion from collectors taking the coins out of circulation .50 State Quarters Report : 10 Years of Honoring Our Nation's History and Heritage U.S. Mint Financial Department http://www.usmint.gov/downloads/mint_programs/50sqReport.pdf The program's origins lie with the Citizens Commemorative Coin Advisory Committee ( CCCAC ) which was appointed by Secretary of  Treasury   Lloyd Bentsen  in December 1993 and chaired by Mint Director Philip N. Diehl .
 employee of: Treasury, Lloyd Bentsen
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: Treasury, Lloyd Bentsen