Utilize the input text as a context reference, choose the right relationship between Alcoa and public company 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 split will likely result in higher public company costs, and Alcoa has yet to demonstrate the full earnings potential of the recent Firth Rixson, RTI and TITAL acquisitions,” Yu explained.

Answer: legal_form