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He served as chairman of  Israel  Chemicals of Mifaley Tovala of Harsit and Hol Zach and a member of the board of  Israel Electric Corporation  Dead Sea Works Dead Sea Bromine Dead Sea Periclase Haifa Chemicals Chemicals and Phosphates and others .
 country of headquarters: Israel, Israel Electric Corporation
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:
 country of headquarters: Israel, Israel Electric Corporation