German luxury car makers Audi, a unit of Volkswagen AG VLKAY 0.06 % , Mercedes-Benz parent Daimler AG DDAIY 0.85 % , and BMW AG BMW -0.49 % have agreed in principle to purchase the telecommunications group’s digital mapping service Nokia Here, according to a person familiar with the situation.
In the context of the input sentence, determine the relationship between 'Daimler AG' and 'Mercedes-Benz'.
Options: headquarters location, legal form, owned by, owner of