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: Physiology
[{'content': 'Highest frequency among the following waves of EEG is seen in \nSelect and explain. \nA. Alpha(α) wave, B. Beta (β) wave, C. Theta (θ) wave, D. Delta (δ) wave', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]