This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
[{'content': 'Adductor pollicis is supplied by \nSelect and explain. \nA. Superficial branch of ulnar nerve, B. Deep branch of ulnar nerve, C. Superficial branch of median nerve, D. Deep branch of median nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Deep branch of ulnar nerve supplies the palmaris brevis muscle and muscles of hypothenar eminence , medial two lumbricals , 4-1 dorsal interossei muscles and 4-1 palmar interossei . B D Chaurasia 7th edition Page no : 182', 'role': 'assistant'}]