Utilize the input text as a context reference, choose the right relationship between Lufthansa and Austrian Airlines 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.

Lufthansa is part of the passenger airline group segment of the Lufthansa Group, which comprises SWISS, Austrian Airlines and Germanwings.

Answer: subsidiary