Utilize the input text as a context reference, choose the right relationship between 'Kenya Airways' and 'Nairobi' from the options.
Options: headquarters location, distributed by, location of formation, owned by

The African vision Tourism is one of the important sectors of Kenya's economy and Kenya Airways (KQ), which is the national carrier, is to connect people from all over the world to Nairobi and other parts of Africa.
location of formation