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.
Analyze the relationship between 'Vodacom Tanzania' and 'Vodafone' within the context of the input sentence.
Options: chairperson, distribution format, developer, parent organization