This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'Among technical quality concern, both maxillary & mandibular removable partial denture maximally lacks? \nSelect and explain. \nA. Retention, B. Integrity, C. Stability, D. Support', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]