6202
Following Ford's appointment the Watergate investigation continued until Chief of  Staff   Alexander Haig  contacted Ford on August 1 1974 and told him that smoking gun evidence had been found .
 alternate names: Staff, Alexander Haig
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:
 alternate names: Staff, Alexander Haig