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.
Take context from the input text and decide on the accurate relationship between 'Eurovia' and 'Vinci' from the options provided.
Options: founded by, owned by, distribution format, director/manager