Analyze the relationship between 'Realogy' and 'Better Homes and Gardens Real Estate' within the context of the input sentence.
Options: subsidiary, employer, manufacturer, founded by

EXPLORE - Strategic Growth Markets: Realogy will host this special session for brokers with speakers from some of its franchise brands, including ERA Real Estate, Better Homes and Gardens Real Estate and Century 21 Real Estate, on trends impacting the real estate industry and strategies that have been implemented successfully.
subsidiary