4735
Blaxland  had been held since 1969 by  Paul Keating  who had been Treasurer under Bob Hawke from 1983 until he defeated Hawke in a leadership challenge in December 1991 becoming Prime Minister of Australia .
 employee of: Blaxland, Paul Keating
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: Blaxland, Paul Keating