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The visit came nearly one month after Emir of  Qatar  Sheikh  Hamad bin Khalifa  al - Thani met with Saleh on July 13 during which the two leaders agreed to reactivate the Doha peace agreement to cement the cease-fire deal between the northern rebels and the Yemeni government .
 employee of: Qatar, Hamad bin Khalifa
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: Qatar, Hamad bin Khalifa