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: Surgery
[{'content': 'Rovsing sign is seen in - \nSelect and explain. \nA. Acute appendicitis, B. Acute cholecystitis, C. Pancreatitis, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Acute appendicitis", 'role': 'assistant'}]