Utilize the input text as a context reference, choose the right relationship between Tribune Publishing and Chicago from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

It started with Agence France Press and has since included distribution deals with Tribune Publishing ( Los Angeles Times , Chicago Tribune and a TV network), Nippon News, the Czech newsagency CTK, the Japanese newsagency Afio and Getty Images, the world's leading visual communications company.

Answer: headquarters_location