Utilize the input text as a context reference, choose the right relationship between Numericable and SFR 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.

Billionaire Drahi took over SFR about eight months ago and merged it with his Numericable to add wireless services.

Answer: subsidiary