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Lockheed Martin  Corp.'s chairman  Robert J. Stevens  urged European regulators to continue to promote transparency and competition warning that the idea that protectionism would strengthen markets is misguided .
 top members employees: Lockheed Martin, Robert J. Stevens
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:
 top members employees: Lockheed Martin, Robert J. Stevens