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 | Kutubxona