This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Red infarcts occur in - \nSelect and explain. \nA. Kidney, B. Lung, C. Spleen, D. Hea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Red or hemorrhagic seen in soft loose tissues. Caused either by obstruction of the pulmonary aery in the lungs or by aerial or venous occlusion as in the intestine. reference: Harsh Mohan textbook of pathology,7th edition, pg no:112 <\\p>', 'role': 'assistant'}]