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

Qantas passengers receive natural skincare products from Payot in first class, and Aurora in business; British Airways dishes up Aromatherapy Associates offerings in the women’s first-class kit and London grooming specialist The Refinery for the men’s kit, both brands based on essential oils.

Answer: location_of_formation