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: Medicine
[{'content': 'Levine sign is seen in \nSelect and explain. \nA. Stable angina pectoris, B. Acute bronchial asthma, C. Hemolytic anemia, D. Gastroesophageal reflux disease', 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer- A. Stable angina pectorisStable Angina Pectoris:This episodic clinical syndrome is due to transient myocardial ischemiaWhen the patient is asked to localize the sensation, he or she typically places a hand over the sternum, sometimes with a clenched fist, to indicate a squeezing, central, substernal discomfo (Levine's sign).", 'role': 'assistant'}]