Utilize the input text as a context reference, choose the right relationship between Vodafone Ghana and Vodafone from the options. Options: 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.

Vodafone Ghana said the Vodafone Group reported 21.5 million M2M connections at the end of March 2015.

Answer: parent_organization