This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': "'Foification spectra' are feature of NOT RELATED-PATHOLOGY \nSelect and explain. \nA. Mature cataract, B. Immature cataract, C. Amaurosis Fugax, D. Migraine", 'role': 'user'}, {'content': 'Answer: D \nExplanation: .', 'role': 'assistant'}]