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': "The commonly used theory to predict individual's behaviour regarding preventive health care is: \nSelect and explain. \nA. Social cognitive theory, B. Health belief model, C. Transtheoritical model, D. Salutogenic model", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]