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': 'Deltoid is supplied by - \nSelect and explain. \nA. Suprascapular nerve, B. Axillary nerve, C. Upper and lower subscapular nerves, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]