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': "Winter bottom's sign is typically seen in \nSelect and explain. \nA. Muconium peritonitis, B. Kala Azar, C. American trypanosomiasis, D. African trypanosomiasis", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]