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': 'A muscle with dual Nerve supply? \nSelect and explain. \nA. Flexor digitorum superficialis, B. Deltoid, C. Brachialis, D. Flexor carpi ulnaris', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The brachialis is supplied by both musculocutaneous nerve and radial nerve. The musculocutaneous nerve is motor and the radial nerve is proprioceptive. The action of the brachialis is flexion of the forearm at the elbow joint. REF: BD Chaurasia 7th edition Page no: 91.', 'role': 'assistant'}]