Utilize the input text as a context reference, choose the right relationship between Hilton Worldwide and Hotel 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.

Saturday, July 18, 2015 11:00AM IST (5:30AM GMT) (BW)(VA-HILTON-WORLDWIDE) Landmark Reichshof Hamburg Opens as First Curio – A Collection by Hilton in Europe Following Extensive Restoration Historic 'Roaring Twenties' Hotel Joins Global Collection of Distinctive HotelsAs First Hilton Worldwide Hotel in the City Hamburg, Germany and Mclean, Va., United States Hilton Worldwide opened the iconic Reichshof Hamburg hotel, adding another exceptional hotel to its growing global brand, Curio – A Collection by Hilton .

Answer: product_or_material_produced