BenGER: Benchmarking LLM Systems on Subsumption-Based Legal Reasoning in German Law. - Sebastian Nagl; Ann-Kristin Mayrhofer; Martin Heidebach; Aleyna Koçak; Anne Zettelmeier; Elly Breu; Angelina Greiner; Sofija Milijas; Matthias Grabmair (CoRR, 2026)