Daimler Trucks North America, a unit of Germany’s Daimler AG DAI, +0.34% unveiled the SuperTruck earlier this year, part of a program sponsored by the Department of Energy that tasked truck-makers to improve freight efficiency and reduce emissions from big rigs — the kind that carry 70% of the freight shipped on U.S. roads.
Take context from the input text and decide on the accurate relationship between 'Daimler' and 'Daimler AG' from the options provided.
Options: position held, parent organization, stock exchange, location of formation