Tough competition and falling prices during a recession have driven multibillion takeover deals in Spain with France's Orange (Taiwan OTC: 4554.TWO - news ) buying telecoms group Jazztel (Other OTC: JAZTF - news ) in September and Vodafone buying cable operator Ono in March.
Take context from the input text and decide on the accurate relationship between 'Vodafone' and 'Ono' from the options provided.
Options: industry, headquarters location, position held, subsidiary