Take context from the input text and decide on the accurate relationship between 'Vodacom Tanzania' and 'Vodafone' from the options provided.
Options: developer, chairperson, parent organization, distribution format

British telco Vodafone -- which owns a 40 per cent stake at Safaricom and a further 82.2 per cent in Vodacom Tanzania -- said the continued growth of mobile money is attributed to the fact that it services consumers at the bottom of the pyramid who cannot access banking services.
parent organization