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.

New routes Kenya Airways just started Hanoi from Nairobi but also connects from all other places.
location_of_formation