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': "Juvenile huntington's disease is marked by- \nSelect and explain. \nA. Chorea, B. Athetosis, C. Tremors, D. Tics", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]