Given phrases that describe the relationship between two words/phrases as options, extract the word/phrase pair and the corresponding lexical relationship between them from the input text. The output format should be "relation1: word1, word2; relation2: word3, word4". Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

SEATTLE and CINCINNATI, July 22, 2015 /PRNewswire/ -- Zillow Group (NASDAQ:Z), which houses a portfolio of the largest and most vibrant real estate and home-related brands on mobile and Web, today announced it has entered into a definitive agreement to buy DotLoop, a Cincinnati-based company that simplifies real estate transactions by enabling brokerages, real estate agents, and their clients to share, edit, sign and store documents digitally.

Answer: headquarters_location: Zillow, SEATTLE