9763
In the coming weeks he shook up his staff somewhat moving White House Chief of Staff James Baker to Secretary of the  Treasury  and naming Treasury Secretary  Donald Regan  a former Merrill Lynch officer Chief of Staff .
 employee of: Treasury, Donald Regan
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, Donald Regan