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Kissinger immediately passed the message to White House Chief of  Staff   Alexander Haig  who met with Nixon for 20 minutes around 10:30 pm and reportedly empowered Kissinger to take any necessary action .
 employee of: Staff, Alexander Haig
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:  Staff, Alexander Haig 
Answer:
 employee of: Staff, Alexander Haig