Utilize the input text as a context reference, choose the right relationship between Boeing and SEATTLE 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.

SEATTLE (Reuters) - Boeing Co (BA.N) said on Wednesday it had won orders and commitments from China for 250 narrowbody 737 aircraft and 50 widebody aircraft, valued at about $38 billion at list prices.

Answer: location_of_formation