Certops/medhallu-twins-rewritten

MedHallu twins, rewritten answers Twin pairs for medical hallucination detection. Each pair shares one PubMed abstract and one question, and holds two answers: a grounded one and a hallucinated one differing by exactly one edited span. Both answers are generated by the same model in the same call. Neither is taken from MedHallu or PubMedQA. This replaces Certops/medhallu-twins-repaired-context, where the ground-truth answer was a verbatim span of its own context in 99.5% of rows… See the full description on the dataset page: https://huggingface.co/datasets/Certops/medhallu-twins-rewritten.