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 ® .
Take context from the input text and decide on the accurate relationship between 'Realogy' and 'Coldwell Banker' from the options provided.
Options: subsidiary, member of, headquarters location, original broadcaster