This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peptic Ulcer Disease, Subject name: Medicine
[{'content': 'Which is the most common cause of non-traumatic acute chest pain? \nSelect and explain. \nA. Tuberculosis, B. GIT causes, C. Ischemic hea disease, D. Costochondritis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: MCC of non-traumatic acute chest pain- GIT Causes > Ischemic Hea Disease', 'role': 'assistant'}]