11904
Armenian President Serzh Sargsyan is to visit  Syria  on March 22-23 at an invitation of Syrian President  Bashar al-Assad  the official SANA news agency reported Thursday .
 employee of: Syria, Bashar al-Assad
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Syria, Bashar al-Assad 
Answer:
 employee of: Syria, Bashar al-Assad