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.
What is the relationship between 'Daimler AG' and 'Daimler' in the context of the input sentence.
Options: founded by, parent organization, creator, subsidiary