Utilize the input text as a context reference, choose the right relationship between Atlas Air and Polar Air Cargo 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.

AIR NZ, Air China and Air China Cargo, Air India, and Polar Air Cargo and its parent Atlas Air Worldwide, failed in an application to end the claim on Monday after a hearing in the US District Court for the Eastern District of New York.

Answer: subsidiary