This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerve Injuries - 1, Subject name: Orthopaedics
[{'content': 'Splint used for the condition shown below: \nSelect and explain. \nA. Knuckle bender splint, B. Gutter splint, C. Mallet splint, D. Cock-up splint', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]