Utilize the input text as a context reference, choose the right relationship between Areva and France 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.

The EPRs being built in France and Finland were designed by Areva (Paris: FR0011027143 - news ) , another state-owned French firm, but EDF has now taken over Areva's reactor arm and is working on an upgraded EPR it hopes will be easier and cheaper to build.

Answer: parent_organization