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

Brussels Airlines recently suspended its operations to Ghana after the parent company of Lufthansa acquired a stake in the Belgian airline.
subsidiary