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': "Bolognini's symptom (a feeling of crepitationoccuring from gradual increasing pressure on the abdomen) is seen in - \nSelect and explain. \nA. Congenital pyloric stenosis, B. Gastric polyp, C. Duodenal atresia, D. Measles", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Measles", 'role': 'assistant'}]