LOS ANGELES & LONDON--(BUSINESSWIRE)-- Launch of Argentina and Hungary Advertising Co-Ops Expands Rubicon Project Leadership Role as The Exclusive Publisher Co-operative Marketplace Serving More Than 290 Premium Publishers Globally
Take context from the input text and decide on the accurate relationship between 'Rubicon Project' and 'LOS ANGELES' from the options provided.
Options: brand, developer, business division, location of formation