14300
He was later appointed by  Israel  's Prime Minister  Ehud Barak  in 1999 to negotiate the Sharm el-Sheikh Memorandum which was signed on September 4 1999 between Israel and the PLO .
 employee of: Israel, Ehud Barak
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: Israel, Ehud Barak