Utilize the input text as a context reference, choose the right relationship between Betfair and online gambling from the options. 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.
Text: Betfair and Irish rival Paddy Power have agreed in principle on a 5 billion pound ($7.85 billion) merger to stake a claim to leadership of the online gambling market in Britain.
user
industry
assistant