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': 'Implosion therapy mainly comprises of \nSelect and explain. \nA. HOME., B. Humor., C. Relaxation., D. All of the above.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Implosion therapy mainly comprises of HOME, voice control and physical restraints', 'role': 'assistant'}]