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: Anatomy
[{'content': 'Muscle of Arm with additional supinator action? \nSelect and explain. \nA. Brachialis, B. Biceps, C. Coracobrachialis, D. Triceps', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Biceps", 'role': 'assistant'}]