This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': '"Cone of light" is due to \nSelect and explain. \nA. Malleolar fold, B. Handle of malleus, C. Stapes, D. Incus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: A bright cone of light can be seen radiating from the tip of malleus to the periphery in the anteroinferior quadrant Ref:Dhingra 6e pg: 2', 'role': 'assistant'}]