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Gerald Grinstein , the chief executive of Delta Air Lines , thinks he has an answer , which can be called the 5 percent solution .
 person of company: Gerald Grinstein, Delta Air Lines
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Gerald Grinstein, Delta Air Lines 
Answer:
 person of company: Gerald Grinstein, Delta Air Lines