What is the relationship between Vodacom Tanzania and Vodafone in the context of the input sentence. Choose an answer from: 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.

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.

Answer: parent_organization