In the context of the input sentence, determine the relationship between 'Wynn Resorts' and 'Las Vegas'.
Options: parent organization, member of, operator, headquarters location

Las Vegas Sands Corp. and Wynn Resorts Ltd., which rely on their Macau units for at least 60 percent of their revenue, rose 3.1 percent and 4.5 percent higher respectively by the close of trading in New York, extending gains from a day earlier.
headquarters location