7488
Murphy was principal military assistant to successive Secretaries of  Defense  Melvin R. Laird and  Elliot Richardson  deputy director of the CIA in 1976 and 1977 and Deputy Under Secretary of Defense for Policy at the Pentagon from 1977 to 1980 under Jimmy Carter .
 None
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:
 NA: Defense, Elliot Richardson