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Sheik  Khalifa bin Zayed Al Nahyan  is the ruler of Abu Dhabi and serves as the president of the  United Arab Emirates  the federation of seven small emirates including Dubai and Abu Dhabi .
 employee of: Khalifa bin Zayed Al Nahyan, United Arab Emirates
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: Khalifa bin Zayed Al Nahyan, United Arab Emirates