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': 'A 70 year old patient comes with complaint of headache, nausea, tenderness over temporal region, diagnosis is? \nSelect and explain. \nA. Aneurysmal arterial dilatation with sub-intimal inflammation, B. Granulamatous inflammationwith giant cell arteritis, C. Luminol thrombosis, D. Acute organising thrombus formation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]