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': 'Patient pays a stipulated amount of money towards the treatment is termed \nSelect and explain. \nA. Deductible, B. Coinsurance, C. Fee for service, D. Third party payment', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]