This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S., Subject name: Medicine
[{'content': 'EEG of a teenager with early morning involuntary movements of hands in his sleep noticed by parents. Immunization is complete. What does it indicate? \nSelect and explain. \nA. Juvenile myoclonic epilepsy, B. SSPE, C. Benign rolandic epilepsy, D. Huntington chorea', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Juvenile myoclonic epilepsy.', 'role': 'assistant'}]