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Even with a substantial surge of soldiers along the lines recommended by Jack Keane , a retired four-star general , and the military historian Frederick Kagan of the American Enterprise Institute -- approximately 35,000 more combat troops -- the United States still would n't have enough forces to fight a two-front war against the Sunnis and the Shiites , as it briefly did in 2004 .
 person of company: Frederick Kagan, American Enterprise Institute
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: 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} 
Answer:
 person of company: Frederick Kagan, American Enterprise Institute