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': 'Lateral border of cubital fossa is formed by? \nSelect and explain. \nA. Pronator teres, B. Brachioradialis, C. Supinator, D. Brachialis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Brachioradialis", 'role': 'assistant'}]