Utilize the input text as a context reference, choose the right relationship between Kenya Airways and Nairobi 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.

Nairobi — Kenya Airways' joint venture with KLM Royal Dutch Airlines has for the past three years not yielded any profits, Kenya Airways CEO Mbuvi Ngunze has disclosed.

Answer: location_of_formation