What is the relationship between British Airways and London in the context of the input sentence. Choose an answer from: 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: headquarters_location