Refer to the input text as context and select the correct relationship between 'Hilton Worldwide' and 'Hotel' from the available options.
Options: position held, original broadcaster, currency, product/material produced

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 .
product/material produced