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: Pathology
[{'content': 'Malaria affects all the following organs except - \nSelect and explain. \nA. Brain, B. Heart, C. Liver, D. Spleen', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The major organs that are directly involved due to parasitic infestations are → Spleen, Liver, Brain.\nThe organs which are involved secondarily →\xa0Heart (Hypoxic lesions),\xa0Lung (Pulmonary edema)', 'role': 'assistant'}]