In the context of the input sentence, determine the relationship between 'Vodafone' and 'Vodafone Ghana'.
Options: subsidiary, chief executive officer, legal form, headquarters location

Former Vodafone Ghana CEO, Kyle Whitehill had said, in previous interviews with Adom News, that the mobile money services being offered in Ghana now do not quite cut it so Vodafone was taking time to provide a service that would be relevant to consumers in every way.
subsidiary