Utilize the input text as a context reference, choose the right relationship between Vodafone and Ono 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.

Analysts had long expected further tie-ups amongst small companies in Spain's cable market, where Vodafone is the biggest player following its Ono purchase in March.

Answer: subsidiary