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': 'Deep branch of ulnar nerve supplies : \nSelect and explain. \nA. Adductor pollicis, B. Flexor digitorum superficialis, C. Ist lumbrical, D. All', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Adductor pollicis', 'role': 'assistant'}]