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': "Features of Friedreich's Ataxia include all of the following except: \nSelect and explain. \nA. Progressive weakness, B. Absent lower limb reflexes, C. Increased tone in lower limbs, D. Extensor plantar Response", 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer is C (Increased tone in lower limbs): Despite pyramidal tract involvement, muscle tone in Friedreich's ataxia is usually normal or decreased", 'role': 'assistant'}]