Utilize the input text as a context reference, choose the right relationship between Eurovia and Vinci 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.

On your first question again I'll hand over to my colleagues but I would start off by saying that the cost of the declining productivity which is close to zero at Eurovia and Vinci Energies in the process of normalization of Vinci construction.

Answer: parent_organization