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: Pediatrics
[{'content': "6 month old baby presents with history of bloody diarrhoea of 2 days duration with abdominal distension and on examination baby screams. What is the most probable diagnosis? \nSelect and explain. \nA. Intussusception, B. Acute enterocolitis, C. Meckel's diverticulum, D. Hemolytic Uraemic syndrome", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Intussusception\n\nShort history of bloody diarrhoea.\nExtreme tenderness on examination.', 'role': 'assistant'}]