Utilize the input text as a context reference, choose the right relationship between American Airlines and Doug Parker 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.

"The relationship (with Airbus) is already extremely strong," American Airlines Group chief Doug Parker said in a clip.

Answer: chief_executive_officer