Utilize the input text as a context reference, choose the right relationship between 'Realogy' and 'Coldwell Banker' from the options.
Options: original broadcaster, headquarters location, member of, subsidiary

About Realogy Holdings Corp. Realogy Holdings Corp. ( RLGY ) is a global leader in residential real estate franchising and brokerage with many of the best-known industry brands including Better Homes and Gardens ® Real Estate, CENTURY 21 ® , Coldwell Banker ® , Coldwell Banker Commercial ® , The Corcoran Group ® , ERA®, Sotheby's International Realty ® and ZipRealty ® .
subsidiary